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Average

#3972 of 8,552 schools in TX

Top 46% in state

Clark H S

High School · NORTHSIDE ISD

5150 DE ZAVALA RD, San Antonio, TX 78249

Enrollment

2,746

Student-Teacher

17.1:1

Score

6.6

Grades

9th – 12th

Data vintage2022-23

How this school compares

Texas schools

#3,972 of 8,552

In San Antonio

#125 of 516

public schools

In district

#26 of 122

NORTHSIDE ISD

Academic growth

7.7 / 10

Very Good

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Clark H S

6.6/10

High School in San Antonio · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Locke Hill EL

5.3/10

0.2 mi away. Use as a geographic alternative in the same move search.

Achievers Center for Education

Nearby

0.3 mi away. Use as a geographic alternative in the same move search.

About Clark H S

Clark H S is a public high school in San Antonio, TX, part of NORTHSIDE ISD. Clark H S serves approximately 2,746 students, and covers grades 9th-12th, and has a 17.1:1 student-teacher ratio. Clark H S has a current MySchoolScout rating of 6.6 out of 10 and ranks #3,972 of 8,552 schools in TX.

Structured state assessment records for Clark H S show 71% math proficiency (multi-year average, 2009-2024) and 76% reading/ELA proficiency (multi-year average, 2009-2024).

How it compares0.9 pts above district
  • This school 6.6 · Average
  • District avg 5.7
  • TX avg 6.3

What Parents Should Know

Clark H S is a large school: 2,746 students. Size usually brings more course choices and activities than a smaller school can staff, but kids can also blend into the crowd. Ask how the school keeps students known and supported.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress7.7Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-3.07 pts/yr
Data Period2009–2024
TrendDeclining
Academics7.6Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency51% (2024 STAAR)
Reading/ELA Proficiency64% (2024 STAAR)
Math vs. State Avg+7.4 pts
Reading vs. State Avg+9.7 pts
Overall Proficiency58% (2024 STAAR, Math+ELA)
Expected (poverty-adj.)58% (model expectation from 2024 STAAR)
vs. Expected-0.0 pts
Adjusted Percentile64th
College Readiness7.4Very Good30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate91%
AP Participation34.3%
IB ProgramNo
Resources & Environment2.9Needs Improvement20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio17.1:1
Per-Pupil Spending$10,632
Chronic Absenteeism25.7%

Clark H S — Students at Clark H S score 58% proficient, which is below what's typical for similar communities (expected: 58%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

37.7%

Students qualifying for federal meal assistance

Test Scores TX STAAR (2023-24)

Math Proficiency 71.1% (multi-year average, 2009-2024)
School
State
43.6% (2024 STAAR)
ELA Proficiency 75.9% (multi-year average, 2009-2024)
School
State
54.3% (2024 STAAR)

Based on 28 test records from TX state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
84%
ELA
96%
2010
Math
86%
ELA
97%
2011
Math
86%
ELA
95%
2012
Math
91%
ELA
89%
2013
Math
81%
ELA
82%
2014
Math
84%
ELA
80%
2015
Math
85%
ELA
78%
2016
Math
89%
ELA
77%
2017
Math
63%
ELA
57%
2018
Math
65%
ELA
63%
2019
Math
65%
ELA
63%
2020*
Math
33%
ELA
61%
2021*
Math
33%
ELA
61%
2024
Math
51%
ELA
64%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 7.7/10.

How Clark H S Compares

See how Clark H S performs across key quality dimensions compared to state benchmarks.

Overall Score
6.6/10
54th percentile in TX
Academic
7.6/10
Very Good
Growth
7.7/10
Very Good
Environment
2.9/10
Needs Improvement
AP Courses
4
State avg: 2.4
Sports
10
5 boys' · 5 girls'
Advanced STEM
5/5
Subjects offered
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
38%
Teaching Staff
17:1 student-teacher ratio
161 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
25.7%

Programs & Offerings

AP/IB Programs4 AP courses offered
34.3% participation·State avg: 2.4 AP courses·CRDC 2021-22
Athletics10sports offered
5 boys'·5 girls'·10 teams (incl. JV)·CRDC 2021-22
Advanced STEM Courses5 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22
Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

5150 DE ZAVALA RD, San Antonio, TX 78249

Nearby Alternatives

Families considering Clark H S may also want to explore other high schools in the area. BASIS SAN ANTONIO- SHAVANO CAMPUS (rated 7.7/10, 1.0 miles away), which scores notably higher. Additionally, CHAVEZ EXCEL ACADEMY (rated 4.6/10, 0.8 miles away), a more accessible option. For more schools in San Antonio, see our San Antonio schools guide .

Nearby Schools

20 within 2.6 mi
School Distance Rating
LOCKE HILL EL San Antonio 0.2 mi 5.3
ACHIEVERS CENTER FOR EDUCATION San Antonio 0.3 mi
UNIVERSITY UNITED METHODIST DAY SCHOOL San Antonio 0.3 mi 4.0
RAWLINSON MIDDLE San Antonio 0.8 mi 5.9
CHAVEZ EXCEL ACADEMY San Antonio 0.8 mi 4.6
ALTERNATIVE MIDDLE San Antonio 0.8 mi 6.1
BASIS SAN ANTONIO- SHAVANO CAMPUS San Antonio 1.0 mi 7.7
HOBBY MIDDLE San Antonio 1.2 mi 5.7
GREAT HEARTS FOREST HEIGHTS San Antonio 1.6 mi 5.4
HOWSMAN EL San Antonio 1.7 mi 3.6
MCDERMOTT EL San Antonio 2.2 mi 2.5
SUBURBAN SCHOOL San Antonio 2.2 mi
MONTESSORI CHILDREN'S HOUSE San Antonio 2.3 mi
TORAH ACADEMY OF SAN ANTONIO San Antonio 2.2 mi 7.1
ST MATTHEW CATHOLIC SCHOOL San Antonio 2.4 mi 4.7
BOONE EL San Antonio 2.5 mi 3.9
OAK MEADOW EL San Antonio 2.5 mi 8.7
SOMERSET ACADEMY OAKS San Antonio 2.8 mi 7.9
THORNTON EL San Antonio 2.7 mi 5.3
CARNAHAN EL San Antonio 2.6 mi 4.3

Neighborhood Census ACS (2019-2023)

Census data for ZIP 78249 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$80,851

Median Home Value

$284,200

Median Rent

$1,475/mo

Population

61,772

College Educated

51.5%

Homeownership

51.4%

Avg Commute

23.3 min

Poverty Rate

16.1%

Median Age

28.5

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
CORONADO H S El Paso, TX 6.6
CYPRESS CREEK H S Houston, TX 6.6
CYPRESS FALLS H S Houston, TX 6.6
DOBIE H S Houston, TX 6.6
FLOUR BLUFF H S Corpus Christi, TX 6.6
GRANBURY H S Granbury, TX 6.6

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
57 Somewhat Walkable
Transit Score
30 Some Transit
Bike Score
39 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
2,746
Student-Teacher Ratio
17.1:1
Teachers (FTE)
161
Free/Reduced Lunch
37.7%
Type
regular
Setting
Large City
County
Bexar County
Chronic Absenteeism (SY 2022-23)
25.7%
4-Year Graduation
91.0%

District

NORTHSIDE ISD
District Enrollment
101,095
Schools in District
126
Per-Pupil Spending
$10,632
District Rank
#26 of 122

How we rate schools

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