Enrollment
162
Texas · 2024-25 NCES data
Other / mixed grade configuration · San Antonio, TX
Prelude Preparatory Charter School
Federal NCES profile for Prelude Preparatory Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataOther / mixed grade configurationNCES 480147614076Charter school
👥 S:T ratio 8
🌟 Gifted program 30
📋 Attendance 82
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Prelude Preparatory Charter School earns 40/100 on the Resource Investment Index, with class sizes larger than 96% of Texas schools. It is also less racially and ethnically mixed than most Texas schools.
- #155 of 327
- schools in San Antonio · Resource Index
- 40
- Resource Index · Typical
- 23.1:1
- large classes for Texas
- 64.3%
- free-lunch eligible
Prelude Preparatory Charter School has class sizes larger than 96% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Prelude Preparatory Charter School ranks #155 of 327 schools in San Antonio, TX.
School address
District: Prelude Preparatory Charter School · Texas
NCES ID 480147614076 Verify on NCES CCD record →
Teachers (FTE)
7.0
Federal CCD staff survey
Students per teacher
23.1:1
vs 14.7:1 Texas avg
+57% vs state
Free-lunch eligible
64.3%
vs 61.9% Texas avg
+4% vs state
Student-teacher ratio in context
How Prelude Preparatory Charter School compares with Texas and U.S. medians
What stands out at Prelude Preparatory Charter School
Prelude Preparatory Charter School is a higher-need, small charter combined-grade school in San Antonio, Texas, enrolling 162 students.
Class loads run heavy: 23.1:1 is larger than about 96% of Texas schools and 57% above the 14.7:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 64.3% lands close to the Texas typical range, neither a high- nor low-need campus by this measure.
Enrollment of 162 puts it in the smaller third of Texas schools by headcount.
Its Resource Investment Index lands in the lower third of 8,960 scored Texas schools.
Among 393 similarly sized, similarly resourced-need Texas schools statewide, it ranks #330, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (92% of enrollment), among the less diverse in the state (diversity index 15/100).
Attendance holds up well here: only 7.4% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Prelude Preparatory Charter School spends $36,867 per pupil, 170% above the Texas average, a better-resourced district than most.
Its district draws 33.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Prelude Preparatory Charter School is a single-school charter district, so Prelude Preparatory Charter School operates independently rather than alongside district-mates.
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 Prelude Preparatory Charter School compares
Prelude Preparatory Charter School on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 23.1:1 | ▲ 57% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 64.3% | ▲ 4% | 61.9% | 51.7% |
| Enrollment | 162 | top 87% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23.1:1
Leaner classes than 8% of US schools, heavier class loads than most.
162
Bigger than 16% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
64.3%
free-lunch eligible
- 4% 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
23.1:1
students per teacher
- 57% above state mean
Top 96% in Texas - lower ratio than 4% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
7.4%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$36,867
per pupil, district-wide
- above Texas avg of $13,644
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 92.0%
African American 3.1%
White 2.5%
Asian 1.9%
Two or More 0.6%
Largest group: Hispanic or Latino at 92.0% of enrollment.
Student-body diversity index 15.2/100
Simpson diversity index - at 15.2, Prelude Preparatory Charter School is less mixed than the Texas school average of 44.7.
Programs
Funding & spending
District-wide per-pupil expenditure for Prelude Preparatory Charter School, which includes Prelude Preparatory Charter School.
$36,867
Per student
+170%
vs Texas
Avg $13,644
+122%
vs U.S.
Avg $16,593
Revenue mix
Local 43.8%
State 22.8%
Federal 33.4%
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.
Similar other 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 (~162 students)
Similar student-teacher ratio (~23.1:1)
Next steps
Verify locally before acting on Prelude Preparatory Charter School's federal record.
- Compare Prelude Preparatory Charter School against another school. Compare schools
- Prelude Preparatory Charter School'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 Prelude Preparatory Charter School
How many students attend Prelude Preparatory Charter School?
Prelude Preparatory Charter School has 162 students enrolled. It is a public school in San Antonio, TX.
What is the student-teacher ratio at Prelude Preparatory Charter School?
The student-teacher ratio at Prelude Preparatory Charter School is 23.1:1, which is 57% higher than the Texas average of 14.7:1 and 47% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Prelude Preparatory Charter School?
64.3% of students at Prelude Preparatory Charter School are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Prelude Preparatory Charter School?
The largest demographic group at Prelude Preparatory Charter School is Hispanic or Latino at 92.0% of enrollment, in San Antonio, TX.
What is the Resource Investment Index for Prelude Preparatory Charter School?
Prelude Preparatory Charter School has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Prelude Preparatory Charter School rank among schools in San Antonio?
By Resource Investment Index, Prelude Preparatory Charter School ranks #155 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.
Is Prelude Preparatory Charter School a good school?
Prelude Preparatory Charter School earns 40/100 on the Resource Investment Index, with class sizes larger than 96% of Texas schools. It is also less 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.
What other schools are in Prelude Preparatory Charter School?
None; Prelude Preparatory Charter School is a single-school charter district, and Prelude Preparatory Charter School is its only campus.
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.