| Business | Phone |
| California State University 333 S Twin Oaks Valley Rd, San Marcos 92096 | (760) 750-4000 |
| Delphi Academy 134 Woodland Pkwy, San Marcos 92069 | (760) 752-1887 |
| Discovery Elementary School 730 Applewilde Dr, San Marcos 92078 | (760) 290-2077 |
| Discovery Isle Child Dev Center 308 S Twin Oaks Valley Rd, San Marcos 92078 | (760) 510-0020 |
| Escondido Charter High School 1285 Stone Dr # 104, San Marcos 92078 | (760) 752-4658 |
| Alvin Dunn Elementary School 3697 La Mirada Dr, San Marcos 92078 | (760) 290-2000 |
| Sierra Madre Academy 1605 W Mission Rd, San Marcos 92069 | (760) 744-8505 |
| San Marcos Elementary 300 W San Marcos Blvd, San Marcos 92069 | (760) 290-2430 |
| San Marcos High School 1615 W San Marcos Blvd, San Marcos 92078 | (760) 290-2200 |
| San Marcos Middle School 650 W Mission Rd, San Marcos 92069 | (760) 290-2500 |
| San Marcos School District 1 Civic Center Dr # 300, San Marcos 92069 | (760) 744-4776 |
| San Marcos Unified School Dist 1 Civic Center Dr, San Marcos 92069 | (760) 752-1299 |
| Brighton Realty-North County 1 Civic Center Dr # 240, San Marcos 92069 | (760) 510-2080 |
| Richland Elementary School 910 Borden Rd, San Marcos 92069 | (760) 290-2400 |
| Paloma Elementary School 660 Camino Magnifico, San Marcos 92069 | (760) 290-2199 |
| Grandmas Garden School 1051 Cheryl Ln, San Marcos 92069 | (760) 471-2006 |
| Greater San Diego Academy 1145 San Marino Dr # 136, San Marcos 92078 | (760) 591-9887 |
| Learning Choice Acad Charter 801 Grand Ave, San Marcos 92078 | (760) 744-8855 |
| Knob Hill Elementary School 1825 Knob Hill Rd, San Marcos 92069 | (760) 290-2080 |