Public school districts (greater than 40,000 students) with highest percentage enrollment increase, 1986-87 to 2006-07
| Douglas County, Colo. | 420% |
| Osceola County, Fla. | 296% |
| Loudoun County, Va. | 281% |
| Elk Grove, Calif. | 240% |
| Katy, Texas | 223% |
| Clark County, Nev. | 219% |
| Guilford County, N.C. | 200% |
| Gwinnett County, Ga. | 199% |
| Lewisville, Texas | 192% |
| Corona-Norco, Calif. | 184% |
| Source: National Center for Education Statistics | |