Correction to: Educational Studies in Mathematics

https://doi.org/10.1007/s10649-024-10321-9

In this article, the authors wanted to add the following statement in the Acknowledgements section:

The research project was conducted within the HeLPS Research Group (“Heterogeneity: Effective learning and professionalism in schools”), which was financed and ideally supported by the University of Education Freiburg.

The original article has been corrected.