Enrollment
602
Texas · 2024-25 NCES data
Other / mixed grade configuration · San Antonio, TX
Federal NCES profile for Harmony School of Science- San Antonio, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 0/100.
The verdict
Harmony School of Science- San Antonio earns 0/100 on the Resource Investment Index, with class sizes larger than 99% of Texas schools. It is also more racially and ethnically mixed than most Texas schools.
Harmony School of Science- San Antonio has class sizes larger than 99% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Harmony School of Science- San Antonio ranks #325 of 327 schools in San Antonio, TX.
NCES ID 480026614162 Verify on NCES CCD record →
Enrollment
602
Texas · 2024-25 NCES data
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
30.1:1
vs 14.7:1 Texas avg
+105% vs state
Free-lunch eligible
36.1%
vs 61.9% Texas avg
-42% vs state
How Harmony School of Science- San Antonio compares with Texas and U.S. medians
Larger classes than state median
30.1:1 - 15.4 above the Texas state median of 14.7:1, indicating larger average class loads than typical schools in the state.
Harmony School of Science- San Antonio is a mid-sized charter combined-grade school in San Antonio, Texas, enrolling 602 students.
Class loads run heavy: 30.1:1 is larger than about 99% of Texas schools and 105% above the 14.7:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 36.1% of students eligible for free meals.
With 602 students, its enrollment sits close to the Texas median campus size.
Its Resource Investment Index trails 100% of the 8,960 Texas schools with a score on record, one of the lower results on this measure.
Among 1,048 similarly sized, similarly resourced-need Texas schools statewide, it ranks #1,047, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (48%) and African American (19%), more mixed than most schools in the state (diversity index 69/100).
Its district draws 22.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Harmony Public Schools - South Texas also operates Harmony Science Acad (San Antonio) (718 students) and Harmony School of Innovation - Laredo (679 students) alongside Harmony School of Science- San Antonio.
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
Harmony School of Science- San Antonio on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 30.1:1 | ▲ 105% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 36.1% | ▼ 42% | 61.9% | 51.7% |
| Enrollment | 602 | top 37% | - | - |
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 48.3% of enrollment.
Simpson diversity index - at 68.9, Harmony School of Science- San Antonio is more mixed than the Texas school average of 44.7.
District-wide per-pupil expenditure for Harmony Public Schools - South Texas, which includes Harmony School of Science- San Antonio.
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 |
|---|---|---|---|
| Harmony Science Acad (San Antonio) | Similar size | Higher economic need | Lower S:T ratio |
| Harmony School of Innovation - Laredo | Similar size | Higher economic need | Lower S:T ratio |
| Harmony School of Excellence - Laredo | Similar size | Higher economic need | Lower S:T ratio |
| Harmony Science Academy - Laredo | Similar size | Higher economic need | Lower S:T ratio |
| Harmony Science Academy - Brownsville | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Harmony School of Science- San Antonio'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 Harmony School of Science- San Antonio'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.
Harmony School of Science- San Antonio has 602 students enrolled. It is a public school in San Antonio, TX.
The student-teacher ratio at Harmony School of Science- San Antonio is 30.1:1, which is 105% higher than the Texas average of 14.7:1 and 92% higher than the national average of 15.7:1.
36.1% of students at Harmony School of Science- San Antonio are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Harmony School of Science- San Antonio is Hispanic or Latino at 48.3% of enrollment, in San Antonio, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.9/100.
Harmony School of Science- San Antonio has a Resource Investment Index of 0/100 (lower reported resources relative to schools nationally) based on 1 factor: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
By Resource Investment Index, Harmony School of Science- San Antonio ranks #325 of 327 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 schools in San Antonio on the city page.
Harmony School of Science- San Antonio earns 0/100 on the Resource Investment Index, with class sizes larger than 99% of Texas schools. It is also more racially and ethnically mixed than most Texas schools. 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 Harmony School of Science- San Antonio, Harmony Public Schools - South Texas also operates Harmony Science Acad (San Antonio) (718 students), Harmony School of Innovation - Laredo (679 students), and Harmony School of Excellence - Laredo (671 students). See the Harmony Public Schools - South Texas 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, “Harmony School of Science- San Antonio, 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/harmony-school-of-science-san-antonio-tx
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