| School Types | Total number of public high schools | Average start time of public high schools | Percent that start before 7:30:00 AM | Percent that start 7:30 AM to 7:59:00 AM | 8:00 AM to 8:29:00 AM | Percent that start 8:30 AM to 8:59:00 AM | Percent that start 9:00 AM or later |
|---|
| All public schools | 18,36018360 | 7:59 | 9.59.5 | 3333 | 43.143.1 | 10.6010.6 | 3.803.8 |
| Charter schools | 1,0601060 | 8:06 | 5.805.8 | 23.823.8 | 47.547.5 | 14.814.8 | 8.208.2 |
| City | 4,0604060 | 8:05 | 9.19.1 | 25.825.8 | 41.641.6 | 16.9016.9 | 6.76.7 |
| Rural | 7,0007000 | 8:01 | 6.76.7 | 30.630.6 | 5050 | 9.609.6 | 33 |
| Suburban | 4,3404340 | 7:51 | 18.4018.4 | 41.9041.9 | 28.328.3 | 7.77.7 | 3.73.7 |
| Town | 2,9602960 | 8:01 | 3.53.5 | 35.535.5 | 50.750.7 | 8.48.4 | 22 |
| Traditional public | 17,30017300 | 7:59 | 9.709.7 | 33.533.5 | 42.9042.9 | 10.310.3 | 3.63.6 |
