Enrollment
2,423
Texas · 2024-25 NCES data
High school (grades 9-12) · San Antonio, TX
Federal NCES profile for Karen Wagner H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 64/100.
The verdict
Karen Wagner H S earns 64/100 on the Resource Investment Index, with class sizes near the Texas median. It is also one of the largest schools in Texas.
Karen Wagner H S has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Karen Wagner H S ranks #21 of 79 high schools in San Antonio, TX.
Enrollment
2,423
Texas · 2024-25 NCES data
Teachers (FTE)
163.0
Federal CCD staff survey
Students per teacher
14.9:1
vs 14.7:1 Texas avg
+1% vs state
Free-lunch eligible
78.3%
vs 61.9% Texas avg
+26% vs state
How Karen Wagner H S compares with Texas and U.S. medians
Slightly above state median
14.9:1 - 0.2 above the Texas state median of 14.7:1, indicating larger average class loads than typical schools in the state.
Karen Wagner H S is a high-poverty, large high school in San Antonio, Texas, enrolling 2,423 students.
At 14.9:1, its student-teacher ratio sits close to the Texas median, within a few percentage points of the 14.7:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat above the state's typical profile, with 78.3% of students eligible for free meals.
By headcount it is one of the larger campuses in Texas, bigger than 98% of state schools at 2,423 students.
Its Resource Investment Index lands in the upper third of 8,960 scored Texas schools.
Against 150 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #19.
Its student body is led by Hispanic or Latino (62%) and African American (26%) (diversity index 55/100).
On the academic-pipeline side it reports 21 Advanced Placement courses.
Counselor coverage runs a bit thin, about 269 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
The surrounding Judson Isd spends $10,949 per pupil, 20% below the Texas average, a leaner-resourced district than most.
Its district draws 19.8% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 573 in- and out-of-school suspensions were reported for 2,423 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Judson Isd also operates Judson H S (2,498 students) and Veterans Memorial H S (1,579 students) alongside Karen Wagner H S.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Karen Wagner H S on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.9:1 | ▲ 1% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 78.3% | ▲ 26% | 61.9% | 51.7% |
| Enrollment | 2,423 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: Hispanic or Latino at 61.5% of enrollment.
Simpson diversity index - at 54.9, Karen Wagner H S is more mixed than the Texas school average of 44.7.
District-wide per-pupil expenditure for Judson Isd, which includes Karen Wagner H S.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Judson H S | Similar size | Lower economic need | Similar S:T ratio |
| Veterans Memorial H S | Smaller | Lower economic need | Similar S:T ratio |
| Judson Middle | Smaller | Lower economic need | Similar S:T ratio |
| Kitty Hawk Middle | Smaller | Lower economic need | Lower S:T ratio |
| Henry Metzger Middle | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Karen Wagner H S's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Texas, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Karen Wagner H S's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Karen Wagner H S has 2,423 students enrolled. It is a high school in San Antonio, TX.
The student-teacher ratio at Karen Wagner H S is 14.9:1, which is 1% higher than the Texas average of 14.7:1 and 5% lower than the national average of 15.7:1.
78.3% of students at Karen Wagner H S are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Karen Wagner H S is Hispanic or Latino at 61.5% of enrollment, in San Antonio, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.9/100.
Karen Wagner H S has a Resource Investment Index of 64/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Karen Wagner H S ranks #21 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.
Karen Wagner H S earns 64/100 on the Resource Investment Index, with class sizes near the Texas median. It is also one of the largest schools in Texas. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Karen Wagner H S, Judson Isd also operates Judson H S (2,498 students), Veterans Memorial H S (1,579 students), and Judson Middle (1,189 students). See the Judson Isd district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Karen Wagner H S, San Antonio TX.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/karen-wagner-h-s-tx
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