Table 1.
Characteristics of the Analytic Sample (N = 4,381 schools)
| Mean | SD | Min | Max | |
|---|---|---|---|---|
| % Free lunch | 0.526 | 0.298 | 0.000 | 0.978 |
| % American Indian | 0.011 | 0.036 | 0.000 | 0.918 |
| % Asian | 0.110 | 0.137 | 0.000 | 0.899 |
| % African American | 0.084 | 0.124 | 0.000 | 0.960 |
| % Hispanic | 0.397 | 0.287 | 0.003 | 1.000 |
| % White | 0.394 | 0.292 | 0.000 | 0.981 |
| Total enrollment | 620.6 | 270.7 | 27.4 | 2588.2 |
| Initial achievement | 524.1 | 20.9 | 450.1 | 589.0 |
| Achievement growth (per year) | 22.5 | 2.3 | 11.4 | 32.6 |
Note: Demographics and enrollment for each school reflect the mean for all years in the study period (1997–1998 to 2001–2002). See text for description of calculation of school achievement measures.