This study applied multilevel modeling to examine the relationship between the percentage of children with mild/moderate disabilities in classrooms and children's language and literacy achievement over an academic year. The sample included 516 preschool children (mean age = 52.3 months, SD = 6.3) in 75 classrooms; 42% of the children had…

This follow-up study examined effects (in grades two through five) of a two-year parent-child education program for low-income Mexican-American families of children ages one through three. There were no program effects on school grades, retention, or referrals, but program children achieved significantly higher on tests of reading, language, and…