Enrollment
701
Texas · 2024-25 NCES data
Elementary school (grades K-5) · San Antonio, TX
Idea Judson Academy
Federal NCES profile for Idea Judson Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 24/100.
2024-25 NCES dataElementary school (grades K-5)NCES 480021113519Charter school
👥 S:T ratio 3
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 62
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Idea Judson Academy earns 24/100 on the Resource Investment Index, with class sizes larger than 97% of Texas schools.
- #40 of 58
- elementary schools in San Antonio · Resource Index
- 24
- Resource Index · Lower
- 24.2:1
- large classes for Texas
- 72.8%
- free-lunch eligible
Idea Judson Academy has class sizes larger than 97% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Idea Judson Academy ranks #40 of 58 elementary schools in San Antonio, TX.
School address
District: Idea Public Schools · Texas
NCES ID 480021113519 Verify on NCES CCD record →
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
24.2:1
vs 14.7:1 Texas avg
+65% vs state
Free-lunch eligible
72.8%
vs 61.9% Texas avg
+18% vs state
Student-teacher ratio in context
How Idea Judson Academy compares with Texas and U.S. medians
What stands out at Idea Judson Academy
Idea Judson Academy is a higher-need, mid-sized charter elementary school in San Antonio, Texas, enrolling 701 students.
Class loads run heavy: 24.2:1 is larger than about 97% of Texas schools and 65% above the 14.7:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 72.8% of students eligible for free meals.
Enrollment of 701 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index trails 96% of the 8,960 Texas schools with a score on record, one of the lower results on this measure.
Among 1,900 similarly sized, similarly resourced-need Texas schools statewide, it ranks #1,800, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (65%) and African American (17%) (diversity index 53/100).
Counselor access is stretched at roughly 701 students per counselor, well above the ASCA-recommended 250:1 ceiling.
15.3% 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 Judson 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
How Idea Judson Academy compares
Idea Judson 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 | 24.2:1 | ▲ 65% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 72.8% | ▲ 18% | 61.9% | 51.7% |
| Enrollment | 701 | top 27% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
24.2:1
Leaner classes than 6% of US schools, heavier class loads than most.
701
Bigger than 80% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
72.8%
free-lunch eligible
- 18% above the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
24.2:1
students per teacher
- 65% above state mean
Top 97% in Texas - lower ratio than 3% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
15.3%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$11,912
per pupil, district-wide
- below Texas avg of $13,644
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 701 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.1 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
Hispanic or Latino 65.0%
African American 16.7%
White 13.0%
Asian 2.4%
Two or More 2.4%
Native Hawaiian / Pacific Islander 0.3%
American Indian / Alaska Native 0.1%
Largest group: Hispanic or Latino at 65.0% of enrollment.
Student-body diversity index 53.2/100
Simpson diversity index - at 53.2, Idea Judson Academy is more mixed than the Texas school average of 44.7.
Programs
Funding & spending
District-wide per-pupil expenditure for Idea Public Schools, which includes Idea Judson Academy.
$11,912
Per student
-13%
vs Texas
Avg $13,644
-28%
vs U.S.
Avg $16,593
Revenue mix
Local 2.8%
State 76.8%
Federal 20.4%
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.
How Idea Judson Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Idea College Preparatory Pharr | Similar size | Higher economic need | Lower S:T ratio |
| Idea Montopolis College Preparatory | Similar size | Higher economic need | Lower S:T ratio |
| Idea College Prep | Similar size | Higher economic need | Lower S:T ratio |
| Idea Mcallen College Preparatory | Similar size | Similar economic need | Lower S:T ratio |
| Idea Riverview College Preparatory | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Idea Judson Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 848
- Students per teacher
- 17.7:1
- Resource Index
- 32/100
- Enrollment
- 835
- Students per teacher
- 19.4:1
- Resource Index
- 26/100
- Enrollment
- 823
- Students per teacher
- 15.5:1
- Resource Index
- 25/100
- Enrollment
- 820
- Students per teacher
- 17.8:1
- Resource Index
- 33/100
- Enrollment
- 813
- Students per teacher
- 15.6:1
- Resource Index
- 29/100
Similar elementary schools statewide
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.
Similar enrollment (~701 students)
Similar student-teacher ratio (~24.2:1)
Next steps
Verify locally before acting on Idea Judson Academy's federal record.
- Compare Idea Judson Academy against another school. Compare schools
- Idea Public Schools's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Idea Judson Academy
How many students attend Idea Judson Academy?
Idea Judson Academy has 701 students enrolled. It is an elementary school in San Antonio, TX.
What is the student-teacher ratio at Idea Judson Academy?
The student-teacher ratio at Idea Judson Academy is 24.2:1, which is 65% higher than the Texas average of 14.7:1 and 54% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Idea Judson Academy?
72.8% of students at Idea Judson Academy are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Idea Judson Academy?
The largest demographic group at Idea Judson Academy is Hispanic or Latino at 65.0% of enrollment, in San Antonio, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.2/100.
What is the Resource Investment Index for Idea Judson Academy?
Idea Judson Academy has a Resource Investment Index of 24/100 (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).
How does Idea Judson Academy rank among elementary schools in San Antonio?
By Resource Investment Index, Idea Judson Academy ranks #40 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.
Is Idea Judson Academy a good school?
Idea Judson Academy earns 24/100 on the Resource Investment Index, with class sizes larger than 97% 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.
What other schools are in Idea Public Schools?
Besides Idea Judson 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.
Related tools
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.