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Average

#4572 of 8,547 schools in TX

Clark H S

High School · NORTHSIDE ISD

5150 DE ZAVALA RD, San Antonio, TX 78249

Enrollment

2,746

Student-Teacher

17.1:1

Score

6.2

Grades

9th – 12th

Updated 2022-23

How this school compares

In San Antonio

#171 of 516

public schools

Texas high schools

#1,108 of 1,699

In district

#24 of 122

NORTHSIDE ISD

Academic performance

7.2 / 10

Strong

About Clark H S

Clark H S serves 2,746 students in grades 9-12 in San Antonio's northwest corridor along De Zavala Road. This large public high school maintains a student-teacher ratio of 17.1:1 with 161 full-time equivalent teachers on staff. The school operates within the diverse 78249 zip code area, where the median household income reaches $78,836 and home values average $262,800.

The surrounding community shows strong educational commitment, with 51% of residents holding bachelor's degrees or higher, though 15.2% of families face economic challenges. With a MySchoolScout rating of 4.0 out of 10 and ranking #7229 among Texas's 8,598 schools, Clark H S has significant room for academic growth. The school's position in the 16th percentile indicates opportunities to better serve its nearly 2,800 students and help them reach their full potential.

As one of the larger high schools in the San Antonio area, Clark H S draws from a substantial student population in this established residential neighborhood. The school sits within a large city setting that offers students access to urban resources and opportunities while serving families across various economic backgrounds in this growing section of northwest San Antonio.

What Parents Should Know

Clark H S is a large school with 2,746 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress4.1Below Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-8.5 pts/yr
Data Period2019–2021
TrendDeclining
Academics7.2Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency33%
Reading/ELA Proficiency61%
Overall Proficiency47%
Expected (poverty-adj.)51%
vs. Expected-3.8 pts
Adjusted Percentile58th
College Readiness9.1Exceptional30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation34.3%
IB ProgramNo
Resources & Environment3.2Fair20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio17.1:1
Per-Pupil Spending$10,615

Clark H S — Students at Clark H S score 47% proficient, which is below what's typical for similar communities (expected: 51%).

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 EDFACTS (2020-21)

Math Proficiency 49.0%
School
State
N/A
ELA Proficiency 62.0%
School
State
N/A

Based on 4 test records from TX state assessments. About our data

Proficiency Trend

↓ Declining

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

2019
Math
65%
ELA
63%
2021*
Math
33%
ELA
61%

* 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: 4.1/10.

How Clark H S Compares

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

Overall Score
6.2/10
47th percentile in TX
Academic
7.2/10
7.2/10
Growth
4.1/10
Below average
Environment
3.2/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
38%
Teaching Staff
17:1 student-teacher ratio
161 teachers

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. CHAVEZ EXCEL ACADEMY (rated 8.0/10, 0.8 miles away), which scores notably higher. Additionally, BASIS SAN ANTONIO- SHAVANO CAMPUS (rated 7.6/10, 1.0 miles away), which scores notably higher. 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 5.6
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 5.2
CHAVEZ EXCEL ACADEMY San Antonio 0.8 mi 8.0
ALTERNATIVE MIDDLE San Antonio 0.8 mi 6.5
BASIS SAN ANTONIO- SHAVANO CAMPUS San Antonio 1.0 mi 7.6
HOBBY MIDDLE San Antonio 1.2 mi 5.8
GREAT HEARTS FOREST HEIGHTS San Antonio 1.6 mi 5.2
HOWSMAN EL San Antonio 1.7 mi 5.1
MCDERMOTT EL San Antonio 2.2 mi 3.9
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 5.0
OAK MEADOW EL San Antonio 2.5 mi 6.8
SOMERSET ACADEMY OAKS San Antonio 2.8 mi 6.8
THORNTON EL San Antonio 2.7 mi 4.5
CARNAHAN EL San Antonio 2.6 mi 7.4

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

Community Profile

The community surrounding Clark H S has a median household income of $80,851. It is a well-educated community where 52% of adults hold a bachelor's degree or higher. The median home value in the area is $284,200, with a median rent of $1,475/month. The area has a poverty rate of 16.1%. The average commute for residents is 23 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
BEL AIR H S El Paso, TX 6.2
CEDAR HILL H S Cedar Hill, TX 6.2
CROSBY H S Crosby, TX 6.2
JUAREZ-LINCOLN H S Mission, TX 6.2
LAMAR CONS H S Rosenberg, TX 6.2
NACOGDOCHES H S Nacogdoches, TX 6.2

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 is ranked #4572 out of 8,547 schools in TX.

What is Clark H S's MySchoolScout rating?

Clark H S has a composite rating of 6.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Clark H S?

Based on the most recent state assessment data, Clark H S has 49.0% math proficiency and 62.0% reading/ELA proficiency.

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
City Safety
High (5,229/100K)

Powered by Walk Score

FBI UCR 2024. City-level (San Antonio). Data >1 year old.

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
Data Year
2023–2024

District

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

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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