Enrollment
141
Texas · 2024-25 NCES data
Other / mixed grade configuration · San Antonio, TX
Federal NCES profile for Southwest Preparatory School-Northwest, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Southwest Preparatory School-Northwest earns 51/100 on the Resource Investment Index, with class sizes smaller than 92% of Texas schools. It is also less racially and ethnically mixed than most Texas schools.
Southwest Preparatory School-Northwest has class sizes smaller than 92% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Southwest Preparatory School-Northwest ranks #40 of 327 schools in San Antonio, TX.
NCES ID 480006309118 Verify on NCES CCD record →
Enrollment
141
Texas · 2024-25 NCES data
Teachers (FTE)
15.0
Federal CCD staff survey
Students per teacher
9.4:1
vs 14.7:1 Texas avg
-36% vs state
Free-lunch eligible
75.4%
vs 61.9% Texas avg
+22% vs state
How Southwest Preparatory School-Northwest compares with Texas and U.S. medians
Smaller classes than state median
9.4:1 - 5.3 below the Texas state median of 14.7:1, indicating smaller average class loads than typical schools in the state.
Southwest Preparatory School-Northwest is a high-poverty, small charter combined-grade school in San Antonio, Texas, enrolling 141 students.
Classes run notably small here: at 9.4:1, Southwest Preparatory School-Northwest is leaner than roughly 92% of Texas schools and 36% under the state's 14.7:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 75.4% of students eligible for free meals.
Enrollment of 141 puts it in the smaller third of Texas schools by headcount.
Its Resource Investment Index lands in the upper third of 8,960 scored Texas schools.
Against 299 statewide peers matched on enrollment and economic need, it ranks mid-pack at #164.
Its student body is predominantly Hispanic or Latino (92% of enrollment), among the less diverse in the state (diversity index 16/100).
Counselor coverage is strong, about 141 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 63.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 22.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 38 in- and out-of-school suspensions were reported for 141 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 6 expulsions at this campus for 2021-22.
Southwest Preparatory School also operates Seguin El (284 students) and Southwest Preparatory Southeast Campus (172 students) alongside Southwest Preparatory School-Northwest.
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
Southwest Preparatory School-Northwest on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.4:1 | ▼ 36% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 75.4% | ▲ 22% | 61.9% | 51.7% |
| Enrollment | 141 | top 89% | - | - |
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 91.5% of enrollment.
Simpson diversity index - at 16.1, Southwest Preparatory School-Northwest is less mixed than the Texas school average of 44.7.
District-wide per-pupil expenditure for Southwest Preparatory School, which includes Southwest Preparatory School-Northwest.
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 |
|---|---|---|---|
| Seguin El | Larger | Lower economic need | Higher S:T ratio |
| Southwest Preparatory Southeast Campus | Similar size | Higher economic need | Higher S:T ratio |
| Southwest Prep Northwest El | Smaller | Similar economic need | Higher S:T ratio |
| New Directions | Smaller | Similar economic need | Similar S:T ratio |
| Southwest Preparatory School | Smaller | Higher economic need | Higher S:T ratio |
Comparisons are relative to Southwest Preparatory School-Northwest'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 Southwest Preparatory School-Northwest'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.
Southwest Preparatory School-Northwest has 141 students enrolled. It is an alternative school in San Antonio, TX.
The student-teacher ratio at Southwest Preparatory School-Northwest is 9.4:1, which is 36% lower than the Texas average of 14.7:1 and 40% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
75.4% of students at Southwest Preparatory School-Northwest are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Southwest Preparatory School-Northwest is Hispanic or Latino at 91.5% of enrollment, in San Antonio, TX.
Southwest Preparatory School-Northwest has a Resource Investment Index of 51/100 (higher 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, Southwest Preparatory School-Northwest ranks #40 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.
Southwest Preparatory School-Northwest earns 51/100 on the Resource Investment Index, with class sizes smaller than 92% 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.
Besides Southwest Preparatory School-Northwest, Southwest Preparatory School also operates Seguin El (284 students), Southwest Preparatory Southeast Campus (172 students), and Southwest Prep Northwest El (101 students). See the Southwest Preparatory School 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, “Southwest Preparatory School-Northwest, 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/southwest-preparatory-school-northwest-tx
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