Table 1.

Descriptive characteristics of participating schools

	Intervention (n = 9)	Control (n = 8)
Total enrollment 2nd and 3rd grade	978	924
Average 2nd and 3rd grade class size	22.5 ± 5.3	20.4 ± 2.6
Urban/rural schools (n/n)	6/3	6/2
Minoritya (%)	23.8	30.2
Free/reduced lunch (%)	35.3	42.5

Values are n’s, percentages or mean ± standard deviation.

^aNon-white