Understanding the factors that influence student outcomes is crucial for both parents and schools when designing effective educational strategies. This paper explores the impact of peer age on both cognitive and non-cognitive outcomes using a randomized sample of middle school students. By analyzing how exogenous variations in peer age affect…

The education laws of each country establish starting cutoff dates for compulsory education which could, potentially, affect students' academic achievement. Specifically, they could be detrimental for those students whose birthday is just before the school entry cutoff, as they will be the youngest in their classroom, while it could boost the…

The purpose of this study was to determine whether age differences affect students' academic achievement, and whether age differences affect students in low-income areas differently than those in mixed or higher-income areas. Student achievement data for grades 3, 7, and 11 in language arts and math were obtained from a variety of schools located…