id: 02352554 dt: j an: 2003c.02188 au: Ireson, Judith; Hallam, Susan; Hack, Sarah; Clark, Helen; Plewis, Ian ti: Ability Grouping in English Secondary School: Effects on Attainment in English, Mathematics, and Science. so: Educ. Res. Eval. 8, No. 3, 299-318 (2002). py: pu: , la: EN cc: D43 ut: educational attainment ci: li: doi:10.1076/edre.8.3.299.3854 ab: Studied the impact of ability grouping on attainment in a cohort of year-9 students in 45 mixed secondary schools in England representing a variety of grouping practices. In mathematics, students at higher levels by year 6 make more progress in sets, but those in lower levels make more progress in mixed ability classes. Discusses educational implications. (ERIC) rv: