Attendance at pre-primary school has been shown to improve students’ behaviour, attention, effort and class participation in primary school …

„Attendance at pre-primary school has been shown to improve students’ behaviour, attention, effort and class participation in primary school. […] The benefits of attendance at pre-primary education tend to be greater for socio-economically disadvantaged children.“
OECD (Hrsg.), PISA 2022 Results, Vol.II. Learning During – and From – Disruption (2023), S. 133.