- Enrollment
- 2,965
- Students per teacher
- 16.9:1
- Resource Index
- 32/100
High school (grades 9-12) · San Antonio, TX
Clark H S
Federal NCES profile for Clark H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 483312003722
👥 S:T ratio 32
🌟 Gifted program 70
🎓 Counselors 31
📋 Attendance 13
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Clark H S earns 37/100 on the Resource Investment Index, with class sizes larger than 79% of Texas schools. It is also one of the largest schools in Texas.
- #54 of 79
- high schools in San Antonio · Resource Index
- 37
- Resource Index · Typical
- 16.9:1
- large classes for Texas
- 36.4%
- free-lunch eligible
Clark H S has class sizes larger than 79% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Clark H S ranks #54 of 79 high schools in San Antonio, TX.
School address
District: Northside Isd · Texas
NCES ID 483312003722 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-89 students YoY
Clark H S held near 2,746 students from 2022-23 to 2023-24 (-89 headcount).
Teacher FTE lost 163.9 → 161.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-89 students YoY 483312003722 · San Antonio, TX High · LARGE · TRAD
2,750 enr · 16.9:1 · 36.4% lunch · RII 37
Nearest enrollment peer: Brennan H S (2,965 students)
Clark H S held near 2,746 students from 2022-23 to 2023-24 (-89 headcount). Teacher FTE lost 163.9 → 161.8 across the same CCD years. Read with this school → · District book → · Texas schools → · Find another →
Clark H S in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Brennan H S
Brennan H S
2,965 students
- Harlan H S
Harlan H S
2,778 students
- This school
Clark H S
2,750 students
- Taft H S
Taft H S
2,670 students
- Brandeis H S
Brandeis H S
2,657 students
- Marshall H S
Marshall H S
2,634 students
What this shows Clark H S reports 2,750 students on the CCD universe file.
How Clark H S compares
Clark H S held steady on CCD headcount: ratios and free-lunch share vs Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.9:1 | ▲ 15% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 36.4% | ▼ 41% | 61.9% | 51.7% |
| Enrollment | 2,750 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.9:1
Leaner classes than 31% of US schools, heavier class loads than most.
2,750
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
36.4%
free-lunch eligible
- 41% below the Texas average of 61.9%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16.9:1
students per teacher
- 15% above state mean
Top 79% in Texas - lower ratio than 21% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
34.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$10,632
per pupil, district-wide
- below Texas avg of $14,348
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors8.0 FTE
Per 344 students, the combined health-and-guidance staffing load for this school.
Discipline context
278
in-school suspensions + 197 out-of-school
Suspension rate: 10.1 per 100 students. Combined in-school and out-of-school rate: 17.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 5 expulsions.
Student demographics
Hispanic or Latino 57.2%
White 22.5%
Asian 7.9%
African American 7.1%
Two or More 5.1%
Native Hawaiian / Pacific Islander 0.3%
American Indian / Alaska Native 0.1%
Largest group: Hispanic or Latino at 57.2% of enrollment.
Student-body diversity index 60.8/100
Simpson diversity index - at 60.8, Clark H S is more mixed than the Texas school average of 44.7.
Programs
AP courses offered 28
Gifted & talented Yes
District finance for Northside Isd reports $10,632 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Clark H S Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Brennan H S | Similar size | Similar economic need | Similar S:T ratio |
| Harlan H S | Similar size | Lower economic need | Higher S:T ratio |
| Taft H S | Similar size | Similar economic need | Similar S:T ratio |
| Brandeis H S | Similar size | Lower economic need | Similar S:T ratio |
| Marshall H S | Similar size | Higher economic need | Similar S:T ratio |
Comparisons are relative to Clark H S's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,778
- Students per teacher
- 18.9:1
- Resource Index
- 38/100
- Enrollment
- 2,670
- Students per teacher
- 16.6:1
- Resource Index
- 43/100
- Enrollment
- 2,657
- Students per teacher
- 16.8:1
- Resource Index
- 41/100
- Enrollment
- 2,634
- Students per teacher
- 16.4:1
- Resource Index
- 43/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~2,750 students)
Frequently asked questions about Clark H S
How many students attend Clark H S?
Clark H S has 2,750 students enrolled. It is a high school in San Antonio, TX. CCD year-over-year: 2,835 (2022-23) → 2,746 (2023-24), nearly flat (-89).
What is the student-teacher ratio at Clark H S?
The student-teacher ratio at Clark H S is 16.9:1, which is 15% higher than the Texas average of 14.7:1 and 8% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Clark H S?
36.4% of students at Clark H S are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Clark H S?
The largest demographic group at Clark H S is Hispanic or Latino at 57.2% of enrollment, in San Antonio, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.8/100.
What is the Resource Investment Index for Clark H S?
Clark H S has a Resource Investment Index of 37/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Clark H S rank among high schools in San Antonio?
By Resource Investment Index, Clark H S ranks #54 of 79 high schools in San Antonio, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in San Antonio on the city page.
What other schools are in Northside Isd?
Besides Clark H S, Northside Isd also operates Brennan H S (2,965 students), Harlan H S (2,778 students), and Taft H S (2,670 students). See the Northside Isd district page for the complete list.