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High · Regular · Grades 9 to 12

Southside High School, San Antonio, TX

CEP schoolSouthside High School is a public high school in San Antonio, part of Southside ISD. It enrolled 1,772 students in 2024-25, with 17.0 students per full-time teacher.Listed in NCES data as "SOUTHSIDE H S".

Enrollment and teachers

Students
1,772
Teachers (FTE)
104.0
Students per teacher
17.0
Grades
9 to 12

This school's ratio is about the same as the district figure of 16.4. The Texas average across schools is 15.1. Ratios count all teachers, including specialists, so they are lower than typical class sizes.

This school17.0
District16.4
Texas15.1
United States15.3

School details

Address
19190 US-281 S #2, San Antonio, TX 78221
Phone
(210)882-1606
District
Southside ISD
County
Bexar County
Level
High
Type
Regular
Status
Open
Charter
No
Locale
Rural: Fringe
NCES school ID
484092004652
Location from NCES coordinates. Map data OpenStreetMap contributors. Open larger map

School meals

Counts of students eligible for free or reduced-price lunch, as reported to NCES.
Free lunch
1,505
Reduced-price lunch
14
Free or reduced-price lunch
1,51985.7% of enrollment.
Community Eligibility Provision
Yes (CEP school)

Schools in the Community Eligibility Provision (CEP) serve free meals to all students, so their free lunch counts often reflect direct certification or total enrollment. Free and reduced lunch shares are not comparable between CEP and non-CEP schools.

Related schools

Other high schools in Southside ISD

High schools elsewhere in San Antonio

We publish official enrollment and staffing data, not ratings or test scores.

Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.