„Academic performance and socioeconomic status are correlated positively because students from higher socioeconomic backgrounds experience more pro-schooling cultural, social, human, and financial capital at home.“
Univ.-Prof. Dr. Laura B. Perry u. a., Does school SES matter less for high‑performing students than for their lower‑performing peers?. In: Large-scale Assessments in Education (2022) 10:17, S. 5.