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.
Supplemental School Day Schedules
| Effective August 13, 2019 |
 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, 630 |
| Hart High – Routes 4, 5, 6, 12, 641 |
| La Mesa Jr. High – Routes 626, 627, 642, 644 |
| Placerita Jr. High – Routes 4, 5, 6, 12, 14, 641 |
| Rancho Pico Jr. High – Route 634 |
| Rio Norte Jr. High – Route 622 |
| Saugus High – Routes 620, 621, 633, 637, 638, 640 |
| Sierra Vista Jr. High – Routes 5, 6, 12, 632 |
| Valencia High – Routes 624, 625, 636 |
| West Ranch High – Routes 634, 635, 636 |