| School Name | API (2009) | API (2008) |
| SOAR High (Students On Academic Rise) | 890 | 860 |
| Quartz Hill High | 773 | 752 |
| Highland High | 731 | 732 |
| Lancaster High | 700 | 685 |
| William J. 'Pete' Knight High | 694 | 659 |
| Littlerock High | 648 | 647 |
| Eastside High | 631 | 615 |
| Los Angeles County Online High | 622 | 619 |
| Palmdale High | 618 | 645 |
| Antelope Valley High | 600 | 601 |
| Desert Sands Charter | 577 | 525 |
| R. Rex Parris High | 535 | 467 |
| Phoenix High Community Day | 325 | 345 |
| Antelope Valley Adult/Independent Study | | |
| Desert Winds Continuation High | | |