Enrollment
423
Texas · 2024-25 NCES data
Elementary school (grades K-5) · San Antonio, TX
Federal NCES profile for Idea Ambrose and Freda Robinson Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.
The verdict
Idea Ambrose and Freda Robinson Academy earns 26/100 on the Resource Investment Index, with class sizes larger than 99% of Texas schools.
Idea Ambrose and Freda Robinson Academy has class sizes larger than 99% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Idea Ambrose and Freda Robinson Academy ranks #33 of 58 elementary schools in San Antonio, TX.
NCES ID 480021114272 Verify on NCES CCD record →
Enrollment
423
Texas · 2024-25 NCES data
Teachers (FTE)
13.0
Federal CCD staff survey
Students per teacher
32.5:1
vs 14.7:1 Texas avg
+121% vs state
Free-lunch eligible
69.2%
vs 61.9% Texas avg
+12% vs state
How Idea Ambrose and Freda Robinson Academy compares with Texas and U.S. medians
Larger classes than state median
32.5:1 - 17.8 above the Texas state median of 14.7:1, indicating larger average class loads than typical schools in the state.
Idea Ambrose and Freda Robinson Academy is a higher-need, mid-sized charter elementary school in San Antonio, Texas, enrolling 423 students.
Class loads run heavy: 32.5:1 is larger than about 99% of Texas schools and 121% above the 14.7:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 69.2% lands close to the Texas typical range, neither a high- nor low-need campus by this measure.
With 423 students, its enrollment sits close to the Texas median campus size.
Its Resource Investment Index trails 95% of the 8,960 Texas schools with a score on record, one of the lower results on this measure.
Among 1,498 similarly sized, similarly resourced-need Texas schools statewide, it ranks #1,428, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (74%) and African American (16%) (diversity index 43/100).
Counselor access is stretched at roughly 423 students per counselor, well above the ASCA-recommended 250:1 ceiling.
16.8% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Its district draws 20.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Idea Public Schools also operates Idea College Preparatory Pharr (848 students) and Idea Montopolis College Preparatory (835 students) alongside Idea Ambrose and Freda Robinson Academy.
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
Idea Ambrose and Freda Robinson Academy on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 32.5:1 | ▲ 121% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 69.2% | ▲ 12% | 61.9% | 51.7% |
| Enrollment | 423 | top 61% | - | - |
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 73.5% of enrollment.
Simpson diversity index - at 42.9, Idea Ambrose and Freda Robinson Academy is about as mixed as the Texas school average of 44.7.
District-wide per-pupil expenditure for Idea Public Schools, which includes Idea Ambrose and Freda Robinson Academy.
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 |
|---|---|---|---|
| Idea College Preparatory Pharr | Larger | Higher economic need | Lower S:T ratio |
| Idea Montopolis College Preparatory | Larger | Higher economic need | Lower S:T ratio |
| Idea College Prep | Larger | Higher economic need | Lower S:T ratio |
| Idea Mcallen College Preparatory | Larger | Similar economic need | Lower S:T ratio |
| Idea Riverview College Preparatory | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Idea Ambrose and Freda Robinson Academy'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 Idea Ambrose and Freda Robinson Academy'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.
Idea Ambrose and Freda Robinson Academy has 423 students enrolled. It is an elementary school in San Antonio, TX.
The student-teacher ratio at Idea Ambrose and Freda Robinson Academy is 32.5:1, which is 121% higher than the Texas average of 14.7:1 and 107% higher than the national average of 15.7:1.
69.2% of students at Idea Ambrose and Freda Robinson Academy are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Idea Ambrose and Freda Robinson Academy is Hispanic or Latino at 73.5% of enrollment, in San Antonio, TX.
Idea Ambrose and Freda Robinson Academy has a Resource Investment Index of 26/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Idea Ambrose and Freda Robinson Academy ranks #33 of 58 elementary 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 elementary schools in San Antonio on the city page.
Idea Ambrose and Freda Robinson Academy earns 26/100 on the Resource Investment Index, with class sizes larger than 99% of 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 Idea Ambrose and Freda Robinson Academy, Idea Public Schools also operates Idea College Preparatory Pharr (848 students), Idea Montopolis College Preparatory (835 students), and Idea College Prep (823 students). See the Idea Public Schools 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, “Idea Ambrose and Freda Robinson Academy, 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/idea-ambrose-and-freda-robinson-academy-tx
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