| School | District | Grades | Population | Address - click for map | Phone |
| San Elijo Middle | San Marcos Unified | K-8 | 1427 | 1600 Schoolhouse Way, San Marcos, CA 92078 | (760) 290–2800 |
| San Marcos High | San Marcos Unified | 9-12 | 1456 | 1615 San Marcos Blvd., San Marcos, CA 92078 | (760) 290–2200 |
| Discovery Isle Child Development Center | Private | PK | 153 | 1655 S Rancho Santa Fe Road #, San Marcos, CA 92078 | (760) 752–7590 |
| The Country School | Private | 3-12 | 23 | 1145 Linda Vista Drive 105, San Marcos, CA 92078 | (760) 744–4870 |
| Valley Christian School | Private | K-8 | 120 | 1350 Discovery Street, San Marcos, CA 92078 | (760) 744–0207 |
