AISD served 5,450 pre-K students in 2009-2010. Approximately 70% of sampled English-speaking pre-K students and 74% of sampled Spanish-speaking pre-K students had faster than the expected growth rate in receptive vocabulary.
AISD Prekindergarten Program Longitudinal Summary Report, Issue 2: Half-Day versus Full-Day Programs, 2001-2002 Pre-K Cohort
Full-day pre-K students from the 2001–2002 cohort were more likely to pass the 2010 7th-grade reading TAKS than were kindergarten students from the 2002–2003 cohort who were assumed eligible for pre-K but did not attend pre-K in 2001–2002.
AISD Prekindergarten Program Longitudinal Summary Report, Issue 1: Long-Term Benefits, 2005-2006 Pre-K Cohort
Economically disadvantaged English language learners who were enrolled in the 2005-2006 AISD pre-K program performed better on the Spring 2010 reading and math TAKS than did similar students who first enrolled in AISD during kindergarten or later.