School characteristics
| Intervention schools (n=34) | Control schools (n=45) | |
| Grades | ||
| Junior Kindergarten–8 (elementary) | 28 (82.4%) | 38 (84.4%) |
| 5–8 (middle) | 4 (11.7%) | 5 (11.1%) |
| 9–12 (high school) | 2 (5.9%) | 2 (4.4%) |
| Posted speed limit (km/hour) | ||
| 30 | 7 (23.5%) | 7 (15.6%) |
| 40 | 19 (55.9%) | 27 (60.0%) |
| 50 | 5 (14.7%) | 9 (20.0%) |
| 60 | 2 (5.9%) | 2 (4.4%) |
| Traffic calming devices, n (%) | 20 (58.8) | 17 (37.8) |
| School crossing guards, n (%) | 14 (41.2) | 21 (46.7) |
| Priority criteria | ||
| Children living within 1.6 km of school (%) | 65.80 | 45.40 |
| Number of school children killed or seriously injured within 1.6 km (2010–2016) (mean) | 1.8 | 0.49 |
| Number of all collisions within 1.6 km (2010–2016) (mean) | 21.5 | 13.9 |
| School population, n (SD) | 468 (402) | 417 (252) |