Enrollment
769
Texas · 2024-25 NCES data
Other / mixed grade configuration · Dallas, TX
Alex Sanger Preparatory School
Federal NCES profile for Alex Sanger Preparatory School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataOther / mixed grade configurationNCES 481623001350
👥 S:T ratio 42
🌟 Gifted program 70
🎓 Counselors 23
📋 Attendance 71
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Alex Sanger Preparatory School earns 51/100 on the Resource Investment Index, with class sizes near the Texas median.
- #48 of 232
- schools in Dallas · Resource Index
- 51
- Resource Index · Higher
- 14.5:1
- students per teacher
- 65.1%
- free-lunch eligible
Alex Sanger Preparatory School has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Alex Sanger Preparatory School ranks #48 of 232 schools in Dallas, TX.
School address
Teachers (FTE)
53.0
Federal CCD staff survey
Students per teacher
14.5:1
vs 14.7:1 Texas avg
-1% vs state
Free-lunch eligible
65.1%
vs 61.9% Texas avg
+5% vs state
Student-teacher ratio in context
How Alex Sanger Preparatory School compares with Texas and U.S. medians
What stands out at Alex Sanger Preparatory School
Alex Sanger Preparatory School is a higher-need, mid-sized combined-grade school in Dallas, Texas, enrolling 769 students.
At 14.5:1, its student-teacher ratio sits close to the Texas median, within a few percentage points of the 14.7:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 65.1% lands close to the Texas typical range, neither a high- nor low-need campus by this measure.
Enrollment of 769 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index lands in the upper third of 8,960 scored Texas schools.
Among 1,477 similarly sized, similarly resourced-need Texas schools statewide, it ranks #117, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (67%) and White (19%) (diversity index 51/100).
Counselor availability sits well past the ASCA benchmark, roughly 386 students sharing each counselor, though short of the most stretched campuses.
11.8% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Its district draws 19.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Dallas Isd also operates Skyline H S (3,837 students) and Bryan Adams H S Leadership Academy (2,208 students) alongside Alex Sanger Preparatory School.
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 Alex Sanger Preparatory School compares
Alex Sanger Preparatory 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 | 14.5:1 | ▼ 1% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 65.1% | ▲ 5% | 61.9% | 51.7% |
| Enrollment | 769 | top 21% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.5:1
Leaner classes than 52% of US schools, a middle-of-the-pack class size.
769
Bigger than 84% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
65.1%
free-lunch eligible
- 5% 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
14.5:1
students per teacher
- 1% below state mean
Top 53% in Texas - lower ratio than 47% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
11.8%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$12,650
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
Counselors2.0 FTE
Per 386 students, the combined health-and-guidance staffing load for this school.
Discipline context
5
in-school suspensions + 2 out-of-school
Suspension rate: 0.7 per 100 students. Combined in-school and out-of-school rate: 0.9 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 67.0%
White 18.7%
African American 9.4%
Two or More 2.9%
Asian 1.6%
American Indian / Alaska Native 0.5%
Largest group: Hispanic or Latino at 67.0% of enrollment.
Student-body diversity index 50.6/100
Simpson diversity index - at 50.6, Alex Sanger Preparatory School is more mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Dallas Isd, which includes Alex Sanger Preparatory School.
$12,650
Per student
-7%
vs Texas
Avg $13,644
-24%
vs U.S.
Avg $16,593
Revenue mix
Local 72.4%
State 8.0%
Federal 19.6%
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 Alex Sanger Preparatory School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Skyline H S | Larger | Similar economic need | Similar S:T ratio |
| Bryan Adams H S Leadership Academy | Larger | Higher economic need | Higher S:T ratio |
| W T White H S | Larger | Higher economic need | Higher S:T ratio |
| Sunset H S | Larger | Higher economic need | Higher S:T ratio |
| Moises E Molina H S | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Alex Sanger Preparatory School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,837
- Students per teacher
- 14.4:1
- Resource Index
- 48/100
- Enrollment
- 2,208
- Students per teacher
- 16.2:1
- Resource Index
- 32/100
- Enrollment
- 2,204
- Students per teacher
- 16.7:1
- Resource Index
- 38/100
- Enrollment
- 2,164
- Students per teacher
- 17:1
- Resource Index
- 47/100
- Enrollment
- 2,006
- Students per teacher
- 15.8:1
- Resource Index
- 47/100
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 (~769 students)
Similar student-teacher ratio (~14.5:1)
Next steps
Verify locally before acting on Alex Sanger Preparatory School's federal record.
- Compare Alex Sanger Preparatory School against another school. Compare schools
- Dallas Isd'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 Alex Sanger Preparatory School
How many students attend Alex Sanger Preparatory School?
Alex Sanger Preparatory School has 769 students enrolled. It is a public school in Dallas, TX.
What is the student-teacher ratio at Alex Sanger Preparatory School?
The student-teacher ratio at Alex Sanger Preparatory School is 14.5:1, which is 1% lower than the Texas average of 14.7:1 and 8% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Alex Sanger Preparatory School?
65.1% of students at Alex Sanger Preparatory School are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Alex Sanger Preparatory School?
The largest demographic group at Alex Sanger Preparatory School is Hispanic or Latino at 67.0% of enrollment, in Dallas, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.6/100.
What is the Resource Investment Index for Alex Sanger Preparatory School?
Alex Sanger Preparatory School 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).
How does Alex Sanger Preparatory School rank among schools in Dallas?
By Resource Investment Index, Alex Sanger Preparatory School ranks #48 of 232 schools in Dallas, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Dallas on the city page.
Is Alex Sanger Preparatory School a good school?
Alex Sanger Preparatory School earns 51/100 on the Resource Investment Index, with class sizes near the Texas median. 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 Dallas Isd?
Besides Alex Sanger Preparatory School, Dallas Isd also operates Skyline H S (3,837 students), Bryan Adams H S Leadership Academy (2,208 students), and W T White H S (2,204 students). See the Dallas Isd 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.