School District · Texas
Southside Independent School District
📍 San Antonio, TX · Bexar County · NCES LEAID 4840920
District Contact & InformationSource: NCES CCD 2024–25
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Grades Served
Pre-K – 12th
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District Mailing Address
1460 MARTINEZ LOSOYA RD, SAN ANTONIO, TX 78221
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NCES District ID (LEAID)
4840920
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District Type
Public School District
Zip Codes Served by Southside Independent School District3 zip codes
Frequently Asked Questions
What zip codes are in Southside Independent School District?▼
Southside Independent School District serves 3 zip codes: 78112, 78221, 78264. Zip codes and district boundaries do not line up exactly, so confirm your exact address with the district office before you rely on an assignment.
How is Southside Independent School District rated?▼
Southside Independent School District has an overall rating of 5 out of 10 (Average), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 42nd percentile among Texas school districts. Ratings are percentile-ranked within Texas only and are not comparable across states.
How many students attend Southside Independent School District?▼
The NCES Common Core of Data directory reports enrollment of 5,965 students across 10 schools for Southside Independent School District.
What grades does Southside Independent School District serve?▼
Southside Independent School District is listed in the NCES directory as serving grades Pre-K – 12th.
How do I contact Southside Independent School District?▼
You can reach Southside Independent School District by phone at (210)882-1600 or by mail at 1460 MARTINEZ LOSOYA RD, SAN ANTONIO, TX 78221. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About Southside Independent School District
Southside Independent School District is a public school district serving 3 zip codes in Texas, primarily in Bexar County. It carries an overall rating of 5/10 (Average), the 42nd percentile among Texas districts. That rating reflects the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts with a 2017–18 fallback for the rest) and is ranked only against other Texas districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.
District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can
be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your
assignment with the district office at (210)882-1600 before making a housing decision.