Correction to: Taking Preprimary Programs to Scale in Developing Countries: Multi-source Evidence to Improve Primary School Completion Rates

The article Taking Preprimary Programs to Scale in Developing Countries: Multi‑source Evidence to Improve Primary School Completion Rates.


Introduction
The provision of preprimary education programs has grown substantially in the past two decades. Nevertheless, in the last few years, the percentage of children accessing these services in the poorest 40 countries in the world, for which there is available data, has averaged only about 17% and, in the next-poorest 40 countries, it is only 37%. 1 At the same time, availability of primary schooling has been reported as 110% in the poorest 40 countries. This latter percentage is a result of counts that include children who enroll early in primary school, especially if no preprimary programs are available to families. Children are also be likely to repeat an early primary grade. At the same time, only 69% of children complete primary school in these countries. Enrollment figures of 110% for primary school that only produce only a 69% completion rate is a significant financial loss in educational investment but, more importantly, there are lost opportunities for many 1 3 Taking Preprimary Programs to Scale in Developing Countries:… children to achieve their potential. This paper explores the influencing factors that produce this situation. It illustrates how weak foundations for learning through the early years of school as well as access to preprimary programs lead to low primary school completion. Although these analyses do not make causal claims for connections between the influencing factors discussed that produce poorer educational outcomes, such linkages are unlikely to be mere coincidence.
This paper will demonstrate that there is a set of symptoms that we call a weak foundations syndrome which is apparent in some 30-50 mostly low-and lower-middle-income countries. A more throughout description of the syndrome is offered below. For now, "weak foundations" refers to access to and/or quality or preprimary school and low quality in the first few grades of primary school as signaled by weak student flow through the grades. While there are many good reasons to expand provision of preprimary education, cautions are often expressed, even among advocates. The caution usually comes in the form of "… but let's not allow preprimary to suffer the drops in quality that took place when primary education was universalized starting in the mid-1990s," when the elimination of school fees in a number of East African countries occurred. In educational systems in Africa that had early and mass primary school expansion, perceptions about drops in education quality that accompanied such universalization have been around for at least 70 years, if not more (see Crouch and Vinjevold 2006). Yet, very few of these comments consider that even if learning per child in school has gone down, there are now more children who have access to the education system and so learning per child in the population as a whole may have increased.
There have been few research studies that have rigorously examined the effects of the mass expansion of education on educational quality or on children's learning and development of fundamental skills. Exceptions include the following studies. Taylor and Spaull (2015) used data from two consecutive waves of the learning assessments from the Southern and Eastern Africa Consortium for Monitoring Educational Quality (SACMEQ) and data on primary school completion to argue that "…in all countries there was greater access to learning in 2007 than in 2000. These improvements in access to learning especially benefited girls and children from poor households" (p. 47). Le Nestour and Sandefur (2020), using household survey data from a number of studies that included simple cognitive assessments, conclude that while overall educational quality seems to have dropped in Africa, "… we find little evidence that rapid expansions of school access were accompanied by faster reductions in measured quality" (p. 1). Crouch and Vinjevold (2006) also touch upon these issues. While these two or three studies did not indicate drops in quality, there remain significant concerns about low levels of learning, especially in the foundation years of education in many lowincome countries. This makes it important, through current and future efforts, to measure and raise educational quality.

The Syndrome Defined
There are four inter-related factors that interact with each other to produce weak foundations in children's early years education. These factors can be associated with low levels of learning and low completion of the primary school cycle and are present in some 30-40 countries, usually quite poor countries, although not the poorest in the world.
We summarize four published papers in which specific aspects of this syndrome have been analyzed in detail using a variety of methods. The idea that there is an identifiable syndrome pertaining to problems in the foundation years of education was proposed by Crouch and Merseth (2017) and then re-explored, re-analyzed. These ideas were applied in Bashir et al. (2018) to generate further insights into this syndrome and to make policy recommendations. This syndrome is not common across all countries and different countries may show a somewhat different mix of symptoms. The following symptoms have been identified (Crouch and Merseth 2017): 1. Low rates of enrollment in preprimary programs The low rate can be around 25% of the eligible age population of children, although in many countries this rate is increasing. The causes are usually a lack of physical availability (including distance) or cost. 2. Extremely high rates of apparent intake in grade 1 This rate can be about 125% for the eligible age population. Sometimes, this situation has been ongoing for decades when, in actuality, it is not possible, even though it is reported and published. 3. Large over-enrollment bulge in grades 1 and 2 of primary school In many countries, enrollment can be more than 50% larger than the population of children who are eligible by age to be enrolled and, in some countries, it is double what it should be. 4. Sharp drop-off in enrollment from grade 1 and grade 2 Enrollment in grade 2 in many countries is around 70-80% of the grade 1 enrollment yet, nonetheless, it is still larger than the eligible age population. This is often misconstrued as dropout from grade 1 to grade 2. Crouch and Merseth (2017) and Bashir et al. (2018) illustrated statistically that these four symptoms coalesce into a pattern, which is described in this paper as a syndrome. In Fig. 1, the overall syndrome is presented diagrammatically and integrates other contextual factors to illustrate actionable pathways. The four components of the weak education foundations syndrome are shown in bolded boxes. Solid lines connecting the various boxes are connections that are discussed in this paper, drawing on four previously published articles. The boxes with the thin, dashed edges are contributing factors or consequences. The dashed lines are relationships that are either documented in other literature or are being currently researched. Because there are likely to be other important and fundamental influencing factors, no claims of causality in the chains of connections described are made.

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Taking Preprimary Programs to Scale in Developing Countries:…

Primary School Completion
This section discusses pathways, identified as B, connecting elements of the model in Fig. 1. Other than access to school, one of the most important and most-watched global indicators of the strength of a schooling system in low-income or lower-middle-income countries is the primary school completion rate. This is the proportion of children in a population age cohort who complete primary school. UN Sustainable Development Goal 4.1 states that countries should, "… By 2030, ensure that all girls and boys complete free, equitable and quality primary … education" (United Nations 2016, p. 19/62).
The bar chart presented in Fig. 2, as also reported in Crouch et al. (2020), presents the Gross Enrollment Rate (GER) in primary school for five countries (Burindi, Ethiopia, Madagascar, Malawi, and Uganda) for two time periods the most recent 5 years and the previous 5 years), as well as school completion rates for the same time periods. GER is the number of students enrolled as a percentage of the official school-age population. Higher completion rates mean lower student dropout across the primary school years for the eligible-age population. At the top of Fig. 2, ratios of completion in relation to enrollment are presented. Over the last 10 years, ratios of school completion to enrollment are about 50% (e.g., 0.58, 0.54). Furthermore, we know from other studies that, except for a handful of very poor countries, all children enrolled in grade 1 at some point (Global Partnership for Education 2012).
A key point is that these ratios, well below 100%, reflect the impact of grade repetition and dropout from school. This highlights considerable inefficiency (about 50%) in the enrollment flows in the educational systems of these countries.

Lack of preprimary access, use, quality
Poor instrucƟon, other socio-cultural factors Failure to learn in foundaƟon years (contributes to dropping out in later grades) Large apparent enrollment drop-off between grades 1 and 2 (wrongly aƩributed to dropout) Grade 1 overenrollment bulge (due to very high official and unofficial repeƟƟon, use of grade 1 in lieu of preprimary) Permanently high apparent intake into grade 1 (but overesƟmated) Focus on "wrong" targets (such as early dropout instead of repleƟon, lack of preprimary, low foundaƟonal learning) Low compleƟon and learning in primary school, high completer cost Spending on education does not predict school completion very well. Crouch and Merseth (2017) showed in their analyses that a reasonable education expenditure variable was not statistically significant in explaining school completion, while a composite variable of the four factors signaling "weak education foundations" explained 34% of the variance in school completion and was highly statistically significant. Aside from these four factors, there may be other factors not included in the analyses by Crouch and Merseth (2017) that could also explain low completion (e.g., for example, low quality of teaching in the foundation years of education).

Learning Crisis
This section discusses pathways, identified as B, connecting elements of the model in Fig. 1. In international agencies and in the developing world, the term "learning crisis" has gained considerable currency in recent years. An example of the available evidence on children's early school learning identifies the nature of this concern. The findings of the Early Grade Reading Assessment reported in 2015 showed that in a range of mostly low-income and middle-income countries, the percentage of children who could not read a single word in a short passage of connected text in grade 2 (approximately 7 years of age) was about 50% (Gove et al. 2015).
A more recent compilation shows an average of 44% non-readers across a similar range of countries (see Early Grade Reading Barometer 2 ). In OECD countries, this percentage would typically be close to 0%. The World Bank (2019) estimates that 53% of children in low-and lower-middle-income countries are in "learning poverty" because they are not able to read even a simple passage proficiently at age 10. The World Bank report notes that in the 20 countries experiencing this issue in its most acute form, and in the 20 experiencing this in the least acute form, the 1 3 Taking Preprimary Programs to Scale in Developing Countries:… percentages are 86% and 3%, respectively, on average, representing a huge range of global inequality. The Peoples Action for Learning Network (PAL Network 3 ) who are the creators and managers of "Citizen-Led Assessments," estimate that in a range of countries similar to that in the UNICEF data and the EGRA data cited above, the percentage of grade 3 children who cannot read a grade 2 text is 70%. In short, it does not seem overwrought to label this as a crisis when it is a problematic issue confronted by only 3% of children in the (mostly) rich countries but confronted by 86% of children in mostly very poor countries (numbers are not population-weighted to draw attention to the fact that the policy unit in question is the country). Figure 3 shows the relationship between two issues identified in the weak education foundations syndrome. This figure presents the percentages of children attending preprimary programs between ages 3-5 years and the percentage of children able to read, at 8-10 years, across 14 countries. The correlation between these two variables across these countries identified in Fig. 3 is 0.55, except for Ghana which may reflect measurement problems in the data. When Ghana is excluded as an outlier (it is more than 3 standard deviations away from what one would expect), because its children read at a lower level than one would think given its high preprimary attendance, the correlation is 0.8. This is as strong a correlation as one could ever identify in such cross-national studies. On average, 62% of children ages 8-10 (e.g., likely in Grades 3 and 4) are non-readers, and 67% have not attended a preprimary program. In short, children in countries with low use of pre-primary are also, strongly, non-readers in early primary. Unfortunately, data could not be found for all of these UNICEF countries corresponding to the countries "learning poverty" data of the World Bank (2019). Using the World Bank's measure of learning poverty at age 10 (approximately grade 4) the correlation between learning poverty and the UNICEF data on pre-primary attendance was -0.63 (negative because high learning poverty is a "bad"). In other words, the factors in weak foundations syndrome are strongly correlated with each other and with later reading performance. These associations align with theories of human capital development that suggest that early acquisition of skills enables later acquisition of skills (Cunha and Heckman 2007). What learning occurs in the foundation years of education is strongly associated with what happens late in the primary school cycle, both in terms of completion and of learning.

Hidden Repetition: A Crucial Connector
This section discusses pathways, identified as A, connecting elements of the model in Fig. 1. A critical factor connecting low learning in the foundation years to later outcomes, such as low school completion and low levels of learning at the end of primary, is hidden repetition. Crouch and Merseth (2017) calculated that, in countries experiencing the worst levels of the weak foundation years syndrome, the proportion of enrollment to population of the right age, in grade 1, was 1.50. For grade 2, relative to the population of the correct age it is 1.28. This means 50% overenrollment in Grade 1 and 28% over-enrollment in Grade 2. Many analysts conclude that this is due to either late or early entry. But this cannot be unless the early or late entry is also accompanied by repetition. If a child enters early but does not repeat, she will not show up again next year. Similarly, for a child who enrolls late, this will not bulk up the total enrollment, because late-entering children would be missing from enrollment counts at the age at which they should have entered. The argument is that late or early entry does not bulk up enrollment numbers permanently and, yet, this bulge in the relevant countries has existed for at least a decade and a half, or more. Only repetition can create a permanent, ongoing enrollment bulge. Yet, officially reported repetition in the countries with the worst levels of weak foundations syndrome, in the first two grades, is only 15% and 12% which is not consistent with a long-term bulge of 50% and 28% respectively. Weatherholt et al. (2019) reported field research, similar to that carried out in Latin America, in earlier decades as summarized in Crouch and Merseth (2017). The research, conducted in Uganda in 2018, reported that teachers and caregivers reported repetition for their children to be about four times greater than officially reported by schools to the Ministry. The use of grade 1 by parents, teachers, and schools, as make-do preprimary experiences results in underreported or unofficial repetition, larger class sizes, age heterogeneity, and (more speculatively) some stigmatization for children as a result of repeating.
In Crouch et al. (2020), a simple simulation model similar to those used in earlier studies in Latin America was applied to data from five African countries (Burindi, Ethiopia, Madagascar, Malawi, and Uganda) that show a strong case of the weak education foundations syndrome. The method compared the number of students by grade and age, in two consecutive years, to explore where children who had "disappeared" between grades 1 and 2 could have gone. It is highly unlikely that the children could have dropped out because even by grade 3 there are more children, or 1 3 Taking Preprimary Programs to Scale in Developing Countries:… just as many children, enrolled in grade 3, as there are in the population age cohort for that grade. Crouch et al. (2020) calculated that the unofficial or actual repetition rate in those countries averaged 40%, compared to the official average of 18%. This research also found an estimated rate of intake into grade 1 that was much lower and reasonable, at 103% than he officially reported average rate of intake which is an unlikely and unsustainable 150%.
It is important to note that the repetition of a school grade does not necessarily mean improvements in learning and achievement (Gibbs and Heaton 2014;Sabates et al. 2013;Branson et al. 2013;N'tchougan-Sonou 2001;Smith 1989;Randall and Anderson 2015;UNESCO IIEP 2006;Bernard et al. 2007;Amadio 1996). Thus, all the more reason to think that the high informal repetition in the early grades and the consequent early grades enrollment bulge are not only associated with lower completion in a statistical sense but also may not be helping with early learning.

Availability of Preprimary Programs
This section discusses pathways, identified as A and D, connecting elements of the model in Fig. 1. The unavailability of preprimary programs is associated with the other elements of the weak foundations syndrome. On average, the correlation between preprimary availability and the other three elements of the weak foundations syndrome is 0.30 (Crouch and Merseth 2017, p. 182). This is a statistically and substantive correlation for cross-national data. Similarly, using cross-national data, King et al. (2020) found evidence that parents "vote with their feet" by enrolling their children in grade 1, instead of preprimary, when the availability of the latter is not yet high.
However, cross national correlations are not as informative as more detailed country-specific analyses such as Weatherholt et al. (2019), which undertook a random sample survey of schools and students, and their parents and teachers, in Uganda. Studies such as this one in Uganda were carried out in Latin America in the 1980s and early 1990s when that continent was facing many of these symptoms. This study in Uganda explored perceptions by parents and teachers about the level of grade repetition of their children, as opposed to what was reported by the schools to the Ministry of Education, based on school records. The study also researched several other factors related to preprimary attendance and repetition in grade 1. It is important to note that in Uganda grade 1 is mostly public and free, though there are some associated costs, while preprimary is entirely private or communitarian and not at all free. As far as we know, this is the only study in Africa comparing parent and teacher repetition perceptions with school repetition records and taking the availability of preprimary schooling and other contextual factors into account (at least in the last few decades). The findings are statistically strong and substantively significant, and line up with what had been noted in Latin America in earlier decades (see Schiefelbein 1975;Schiefelbein and Wolff 1993;Klein and Costa 1991;Cuadra 1991;Crouch 1991;Fletcher and Ribeiro 1989;Ribeiro 1991;Gargiulo and Crouch 1994). Thus, the findings are worth summarizing here and the study may be worth repeating in other countries with the weak foundations syndrome.

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The study by Weatherholt et al. (2019) reported (among other findings): • 34% of grade 1 children had attended some form of preschool, which is much higher than the officially reported 14%, in line with King et al. (2020). • 52% of caregivers and 41% of teachers reported that the grade 1 children linked to them in the survey had repeated, whereas the official report was only 11%. • 62% of parents who did not send their children to preprimary reported that finances were the main reason not to do so. • 56% of parents who sent their children to grade 1 earlier than the official starting age did so in full expectation that they might repeat or learn less. • Teachers expected 41% of the children in their grade 1 class to repeat. • Preprimary attendance was highly protective against repetition: 63% of children without preprimary attendance repeated, but of those who had attended, only 29% (though still a huge number) repeated. This held true despite trying various control variables such as SES, location, and gender.
The picture that emerges is one where there is considerable expected repetition because many parents find preprimary options unaffordable; children enroll earlier than is official policy and earlier than children who might have attended preprimary; and children then repeat. And note that, partly as a consequence of these weak foundations, Uganda's primary school completion rate is low. Completion has been more or less stuck at a low point for a long time and is very expensively produced, in terms of years of enrollment effort for every completer (see Crouch et al. 2020).

Country Descriptions of the Syndrome
Burundi, Madagascar, and Ethiopia are presented as example "stories" of the weak foundations syndrome and the relationships between over-enrollment and repetition in the early grades, inappropriate quality or lack of preprimary access, and low primary school completion. The cases illustrate the symptoms and syndrome in a "real world" context, but, more importantly, they help to show how countries and international organizations are starting to address the issues. The three case studies summarize and borrow liberally from a paper by Crouch et al. (2020) in the journal Prospects. The case studies suggest that under-spending on preprimary could be resulting in over-spending, relatively speaking, on primary education. The conclusions to this paper (next section) suggest ways to improve upon this situation.

Burundi
Under its own impulse, but also with the opportunities and focus of the Education for All and Millennium Development Goals, Burundi eliminated primary school fees in 2005. This led to an immediate jump in enrollment. Gross Enrollment Ratios (GERs) went from 81% in 2005 to 103% in 2006 and stayed elevated (121% in 2018). But restricted access to good and sufficient preprimary partly explains lack of preparation for grade 1. Preprimary is not mandatory, largely because of insufficient classrooms and other provisions. In 2017, 1252 preschools took in about 94,900 students or only around 25% of the size of a population cohort of the right age for school entry. In 2017, in comparison, grade 1 took in 564,270 children. Simultaneously, the population cohort of school entry age was only approximately 390,000, for a grade 1 over-enrollment bulge of 45%. Due to so much repeating in the foundation grades, Burundi needs to have a GER of about 120% just to keep a completion rate for primary school of about 70%, suggesting a low efficiency of about 0.54 (70/120). Partly because of the over-enrollment bulge and the low efficiency, Burundi has to spend about 47% of its education budget on primary education, whereas other low-and lower-middle-income countries that do not have the over-enrollment bulge and which essentially enroll 100% of their children, spend only about 38% (see Crouch and Merseth 2017, p. 189). This level of funding for primary school, in turn, decreases funding for preprimary and for secondary education. This situation has also contributed to large class sizes: 62 in grades 1 and 2 on average, although it can often exceed 100 children in areas of high population density. Also, more than 67% of grade 1 cohorts are double-shifting (in some cases with two different teachers for the two children's groups, in some cases with the same teacher), because of high enrollment in existing classrooms. Teachers frequently talk about problems in managing such big classes, particularly, because a large proportion of grade 1 children are socio-emotionally and academically not ready to engage with learning in large classes.
Repetition is common in the Burundi education system, especially in the foundation grades. Further, the official rate of repetition in grade 1 may be undercounting the total (official and unofficial) percent rate by around 13 points (see Crouch et al. 2020). The high rate of repeaters directly leads to crowded classes and low levels of learning. Official and unofficial repeats are, to a degree, caused by poor practices of classroom management, and perhaps because parents use of grade 1 in lieu of preprimary Non-identification of weaker students also may play a role.
Burundi is more and more cognizant of these challenges and is taking action. For example, as part of the Burundi Early Grade Learning Project (BEGLP), the Ministry of General, Vocational, and Technical Education is developing new learning materials aimed at improving reading fluency, in particular, in the foundation grades. Through a project of the Global Partnership for Education, new schools and new classrooms will reduce class sizes and double shifts. More specifically, it is an objective of the Ministry to ensure that, by 2022, all 5-year-olds have access to at least one year of quality preschool. It plans to construct and staff 2016 new preschool classrooms in existing schools. All new schools will be required to also build at least one classroom for preschool. Unfortunately, insufficient finance has so far somewhat hampered implementation.

Ethiopia
Ethiopia undertook tremendous gains in enrollment in basic education (grades 1 through 12) over the past two decades. Enrollment in basic education ballooned almost threefold from 8.1 million in 2000-2001 to 22.9 million in 2018-2019, with 20.1 million in primary school and 2.8 million in secondary education. Preschool enrollment increased from 110,000 students (ages 4-6) to 3.2 million during the same period. In part, as a result of this surge, problems of student flow through to primary school completion persist. The issues, as discussed elsewhere in this paper, include high repetition rates in grade 1, over-enrollment in grades 1 and 2, dropout by grade 5, and consistently low completion rates at grade 5. The low internal efficiency in the system has remained similar for the past two decades. In addition, the completion rate at grade 7 has stayed around 55% since about 2010. This means that Ethiopia makes about 35% more enrollment effort than it should, for each child who completes primary school (see Table 1 in Crouch et al. 2020). As also mentioned in that paper, a relatively low official repetition rate in grade 1 is probably a large underestimation and may be due to inaccurate data collection at the school level, or a conceptual gap between theoretical definitions of repetition and reality in Ethiopia.
The issues of internal efficiency are addressed by the General Education Quality Improvement Program for Equity (GEQIP-E), which is a large Ministry program funded by several development agencies. The program targets the issues of low promotion rates from grades 1 to 2, as well as low completion of grade 5 as important barriers to ensuring that more children will complete primary school. Through policy dialogues between the Ministry and development agencies, as well as rigorous international literature reviews (Bashir et al. 2018), the country is putting more emphasis on growth and quality improvements in early childhood as another way of addressing the flow inefficiencies through primary school.

Madagascar
Madagascar has the next-to-lowest progression in the foundation years according to early grade "bulge index" rankings reported by Bashir et al. (2018), after Rwanda. This implies children are "churning in the early grades, attending infrequently, repeating grades and eventually leaving the education system with few cognitive skills" (Bashir et al. 2018, p. 147). Between-grade progression remains a significant constraint in the education system, leading to a great deal of waste of potential human capital and public funds. The challenge comes partly from rapid increases in the number of children enrolled. This growth is stressing the education system's ability to stay afloat. In the foundation years, there are also a few related and negatively synergistic problems: (a) bulged enrollments, particularly in grade 1, with a lot of too-young and too-old children creating age heterogeneity; (b) teachers with low subject and teaching skills, even for early grade mathematics and reading; (c) teaching time that is insufficient, as well as many teacher and school leader absences; (d) early moves from mother tongue to French as the teaching language; 1 3 Taking Preprimary Programs to Scale in Developing Countries:… (e) poor learning conditions; and (f) preprimary coverage that is insufficient in both amount and quality.
In the past 10 years or so, Madagascar's government has made a big effort to improve enrollment and entry into primary schools. Since approximately 2008, the gross enrollment rate for primary school has hovered around 140% or more. Simultaneously, the completion rate in primary school went down from about 74% in 2009 to about 65% in 2018. High repeat counts, reported officially, are likely very much lower than the high level of unofficial repetition actually happening in the foundation grades of schools. Enrollment of many under-age and over-age children, bulged up the early grades, creates age heterogeneity. The bulge is largely due to repetition, though, rather than too-young or too-early enrollment, though that is a problem in and of itself because it also adds to the age heterogeneity. Preschool supports emergence of reading, and grade 1 preparation. Yet, as few as 39% of appropriately aged children attend preprimary, using 2018 UIS data. There is in addition a large inequality between regions and classes in opportunities for preprimary-much more so than for primary.

Conclusions and Policy Implications
This paper has described a pattern of symptoms affecting early years education, through preprimary programs to year 2 of school, which coalesce into a consistent syndrome, across countries, documented in Crouch and Merseth (2017) and Bashir et al. (2018). The syndrome is characterized by four variables: lack of access to quality preprimary; permanently high apparent (but logically impossible) intakes into grade 1 each year; grade 1 over-enrollment; and large apparent drop-off between grades 1 and 2. King et al. (2020) found that global indicators preprimary overestimate preprimary enrollment because under-age children attending grade 1 are being counted as enrolled in preprimary when they are in fact not. Thus, the situation has not improved as much as the globally-tracked data would suggest, and the lack of preprimary continued to be a major part of the weak foundations syndrome.
The symptoms are robust enough and coherent enough, across low-and middleincome countries to suggest deeper causes. Increased access to quality preprimary and preprimary programs would alleviate the burden of over-enrollment in grade 1, through two mechanisms: (1) By reducing enrollment of under-age children who attend grade 1 in lieu of preprimary classes; and (2) Providing increased opportunities to improve children's academic and social-emotional skills, as preprimary education programs have done in Ghana, Kenya, Mozambique and Tanzania, among others (see Martinez et al. 2012;Mwauraa et al. 2008;Ngware et al. 2018;Wolf et al. 2018). The second deeper cause of the syndrome implied by the data is as difficult to address as it is easy to say: the quality of education in early primary grades must be improved. The relationship documented here between the weak early foundations syndrome and low primary completion rates supports the Cunha and Heckman (2007) skill-building model of human development, in which not only does early skill acquisition beget later skill acquisition, but skills acquired prior to an investment in human capital will increase the later effectiveness of that investment (see Bailey et al. 2017 for a discussion of skill-building conceptual frameworks). In this way, attendance in preprimary programs could both alleviate the overcrowding in grade 1, while also equipping children with skills that will help them excel in grade 1 and then making investment in grade 1 more productive.
This paper adds support to the literature (including influential institutional reports such as Bashir et al. 2018) calling for major efforts to improve the quality of early education, in preprimary and early primary grades. There is no magic bullet, but some ideas include reforming early education administrative structures to operate as a continuum bridging preprimary and primary. At the central level of Ministries of Education, as well as in schools, preprimary and early primary grades need to be coordinated and aligned in instructional practices, curricular content, social norms, and expectations. Steps need to be taken at the school and community level to ensure that children enroll on time, in the appropriate grade for their age, in tandem with efforts to expand access to preprimary (including private and community-based options). Long-standing challenges related to teacher professional development, availability of teaching and learning materials in mother tongue, and appropriate screening and support services for children with developmental delays and disabilities must be addressed urgently.
At the same time, one has to admit that simply adding another year to the beginning of education systems, without addressing quality issues, will not be of much help. In fact, raw historical data from Latin America and South Africa, available in online databases, 4 reveal that, at least at first, the addition of a preprimary year seems to at least partially displace downward the grade 1 over-enrollment bulge and inappropriate use of early entry into formal school in lieu of preprimary. Yoshikawa et al. (2018, p. 1) caution that while "… investment in ECD has expanded worldwide … with these increased investments comes evidence that the capacity of policy systems to support ECD across health, education, social protection, and other sectors is weak, with unfulfilled developmental potential a serious consequence within and across countries." One of the most promising threads of this research relates to the data showing parents' support for preschool by enrolling their children early in grade 1. It strikes us that this parental commitment to early education can be capitalized to increase accountability for school performance in the early grades. As the weak foundations syndrome reflects a pattern of symptoms, so solutions cannot be found through any simple, single option. Multiple strategies are required in response. The ideas presented in this paper and other research aiming to improve quality in early years education must be taken up by governments in a concerted, sustained effort to correct system inefficiencies and unlock the potential of the next generation.
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