Students were, on average, 4.58 (SD = 0.30) years old, ranging from 4.08 to 5 years at pretest. The sample was 54% female; it was ethnically diverse, with 46% African American, 24% Caucasian,22% Hispanic or Latino, 5% Asian, and 3% other ethnicity. Most students were English speaking (94%), with over 90% eligible for free or reduced-price lunch. Sixty-nine percent of the families of participating students had an annual income of $24,000 or less. More than three quarters of the students’ parents had at least a high school diploma or GED (82% of mothers and 79% of fathers).