| Business | Phone |
| Bonham Early Childhood Ctr 211 Lee St, San Marcos 78666 | (512) 393-6722 |
| Bowie Elementary School 1225 Highway 123, San Marcos 78666 | (512) 393-6200 |
| Crockett Elementary School 1225 N State Highway 123, San Marcos 78666 | (512) 393-6400 |
| Dezavala Elementary School 600 Fm 621, San Marcos 78666 | (512) 393-6250 |
| Doris Miller Junior High 301 Foxtail Run, San Marcos 78666 | (512) 393-6660 |
| Goodnight Junior High School 1805 Peter Garza Dr, San Marcos 78666 | (512) 393-6550 |
| Hernandez Intermediate School 333 Stagecoach Trl, San Marcos 78666 | (512) 393-6100 |
| Hill Country Christian School 2001 River Rd, San Marcos 78666 | (512) 353-8976 |
| Master's School San Marcos 2801 Ranch Road 12, San Marcos 78666 | (512) 392-4322 |
| Pride Academic Ctr 540 Staples Rd, San Marcos 78666 | (512) 393-6864 |
| Rebound Alternative School 500 W Hutchison St, San Marcos 78666 | (512) 393-6932 |
| San Marcos Baptist Academy 2801 Ranch Road 12, San Marcos 78666 | (512) 753-8000 |
| San Marcos Cons Ind Schl Dis 1225 N State Highway 123, San Marcos 78666 | (512) 393-6361 |
| San Marcos Cons Ind Schl Dis 301 Foxtail Run, San Marcos 78666 | (512) 393-6659 |
| San Marcos Middle School 333 Stagecoach Trl, San Marcos 78666 | (512) 393-6111 |
| San Marcos Cons Ind Schl Dis 600 Staples Rd, San Marcos 78666 | (512) 393-6286 |
| San Marcos Cons Indpndnt Dist 501 S L B J Dr, San Marcos 78666 | (512) 353-2660 |
| San Marcos Cons Schl Dis 500 W Hutchison St, San Marcos 78666 | (512) 393-6916 |
| San Marcos Consolidated Supt 501 S L B J Dr, San Marcos 78666 | (512) 393-6701 |
| San Marcos High School 1301 Highway 123, San Marcos 78666 | (512) 393-6800 |
| San Marcos School District Adm 501 S L B J Dr, San Marcos 78666 | (512) 393-6700 |
| Seventh Day Adventist Jr Acdmy 1523 Ranch Road 12, San Marcos 78666 | (512) 392-9475 |
| Swt State 601 University Dr, San Marcos 78666 | (512) 245-2148 |
| Travis Elementary School 1437 Post Rd, San Marcos 78666 | (512) 393-6450 |
| Wonderland School 302 Country Estates Dr, San Marcos 78666 | (512) 392-9404 |