| Method | ||||
| Screening | No filter | Screening A | Screening B | Screening C |
| N individual | 149,101 (100%) | |||
| N grades | 1804 (100%) | |||
| N schools | 504 (100%) | |||
| N franchises | 32 (100%) | |||
| IL screening | 96,999 (65.1%) | |||
| GL screening | NA | 1279 (70.9%) | 1279 (70.9%) | 1279 (71.2%) |
| Ratio boys/girls | NA | 482 (26.7%) | 482 (26.7%) | 981 (54.4%) |
| Students per grade | NA | 272 (15.1%) | 388 (21.5%) | 844 (46.8%) |
| Final sample | ||||
| Individuals | 96,999 (65.1%) | 46,572 (31.2%) | 53,173 (35.7%) | 88,712 (59.5%) |
| Grades | 1279 (70.9%) | 272 (15.1%) | 388 (21.5%) | 844 (46.8%) |
| Schools | 404 (80.2%) | 168 (33.3%) | 234 (46.4%) | 349 (69.2%) |
| Franchises | 31 (96.9%) | 31 (96.9%) | 31 (96.9%) | 31 (96.9%) |