Average
#3972 of 8,552 schools in TX
Top 46% in state
Clark H S
High School · Northside ISD · San Antonio, TX
A Northside ISD high school serving grades 9th – 12th.
5150 DE ZAVALA RD, San Antonio, TX 78249
- Math 51% vs TX 44% (2024)
- Reading 64% vs TX 54% (2024)
- 91.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
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Students at Clark H S score 58% proficient, which is below what's typical for similar communities (expected: 58%).
2024 STAAR proficiency
Most recent published year. School vs. TX average.
Trend
↓ DecliningProficiency has fallen 7 points since 2019, to 58% in 2024, across a 16-year record (2009–2024).
Show all 14 years
Multi-year averages used by the rating model: math 71% (multi-year average, 2009-2024) · reading/ELA 76% (multi-year average, 2009-2024)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 28 test records from TX state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
37.7%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Clark H S sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the San Antonio map →
Getting around & local context
- Walk 57Somewhat Walkable
- Transit 30Some Transit
- Bike 39Somewhat Bikeable
- City Safety: High5,229/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (San Antonio), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$80,851
Median home value
$284,200
Median rent
$1,475/mo
College educated
51.5%
Homeownership
51.4%
Poverty rate
16.1%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 78249; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Chavez Excel AcademyEnrollment path unverified | 4.6 | 12 | 0.8 mi | 48 | Compare → |
| Basis San Antonio- Shavano CampusCharter · enrollment unverified | 7.7 | 6–12 | 1.0 mi | 1,038 | Compare → |
| Great Hearts Forest HeightsCharter · enrollment unverified | 5.4 | K–10 | 1.6 mi | 1,230 | Compare → |
| Cornerstone Christian SchoolsPrivate · tuition | 4.9private | PK–12 | 3.0 mi | 1,548 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Northside ISD
- Schools in district
- 126
- Rank in district
- #26 of 122
- District spending per student
- $10,632NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 13.1%Census SAIPE · 2024
Clark H S is listed in NORTHSIDE ISD; a district label does not verify attendance for an address.
About Clark H S
Clark H S is a public high school in San Antonio, TX, part of Northside ISD, serving approximately 2,746 students in grades 9th-12th with a 17.1:1 student-teacher ratio. It holds a MySchoolScout rating of 6.6 out of 10 and ranks #3,972 of 8,552 schools in TX. State assessment records show 71% math proficiency (multi-year average, 2009-2024) and 76% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about Clark H S
What grades does Clark H S serve?
Clark H S serves students in grades 9th through 12th.
How many students attend Clark H S?
Clark H S has an enrollment of approximately 2,746 students.
What is the student-teacher ratio at Clark H S?
The student-teacher ratio at Clark H S is 17.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Clark H S rank in TX?
Clark H S ranks #3,972 of 8,552 schools in TX.
What is Clark H S's MySchoolScout rating?
Clark H S has a current MySchoolScout rating of 6.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Clark H S?
Based on loaded state assessment records, Clark H S has 71% math proficiency (multi-year average, 2009-2024) and 76% reading/ELA proficiency (multi-year average, 2009-2024).
Is Clark H S a charter school?
No, Clark H S is not a charter school. It is a traditional public school operated by the local school district.
Is Clark H S a Title I school?
No, Clark H S is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Clark H S?
37.7% of students at Clark H S qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 2,746
- Student-Teacher Ratio
- 17.1:1
- Teachers (FTE)
- 161
- Type
- regular
- Setting
- Large City
- County
- Bexar County
- Chronic Absenteeism (SY 2022-23)
- 25.7%
- Phone
- (210) 397-5150
- 4-Year Graduation
- 91.0%
- Area population (ZIP 78249)
- 61,772
- Area average commute
- 23.3 min
- Area median age
- 28.5
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2024 STAAR · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 STAAR. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2024 STAAR · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 STAAR. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 78249; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24
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