# Class composition, student achievement, and the role of the learning environment.

> Research article (Journal of Educational Psychology, 2021) · cited 26× · AI/ML

**Wikidata**: [openalex:W4200508164](https://www.wikidata.org/wiki/openalex:W4200508164)  
**Source**: https://4ort.xyz/entity/class-composition-student-achievement-and-the-role-of-the-learning-environment