City of Santa Clarita Transit is a public transportation service dedicated to meeting the needs of the general public. In an effort to serve the entire community, City of Santa Clarita Transit provides additional service trips during peak student travel times. Seating availability is on a first-come, first-serve basis.
Additionally, the William S. Hart District is offering its own supplemental service in an effort to ensure transportation is available to those who need it.
*Please note, all school trippers are open to the general public.
Supplemental School Day Schedules
Effective August 12, 2025
 Arroyo Seco Jr. High – Routes 3, 620, 621, 637, 638, 640, 643 |
| Canyon High – Routes 5, 6, 12, 632 |
| Castaic High – Route 623 |
| Golden Valley High – Routes 628, 629 |
| Hart High – Routes 4, 5, 6, 12, 641 |
| La Mesa Jr. High – Routes 626, 627, 644 |
| Placerita Jr. High – Routes 4, 5, 6, 12, 14, 641 |
| Rancho Pico Jr. High – Route 634, 635, 636 |
| Rio Norte Jr. High – Route 622 |
| Saugus High – Routes 620, 621, 633, 640, 643 |
| Sierra Vista Jr. High – Routes 5, 6, 12, 632 |
| Valencia High – Routes 1, 2, 622, 624, 636 |
| West Ranch High – Routes 634, 635, 636 |