Enrollment
492
Texas · 2024-25 NCES data
Other / mixed grade configuration · San Antonio, TX
Blattman El
Federal NCES profile for Blattman El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataOther / mixed grade configurationNCES 483312009470
👥 S:T ratio 47
🌟 Gifted program 70
🎓 Counselors 2
📋 Attendance 73
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Blattman El earns 48/100 on the Resource Investment Index, with class sizes near the Texas median.
- #61 of 327
- schools in San Antonio · Resource Index
- 48
- Resource Index · Typical
- 13.3:1
- students per teacher
- 12.4%
- free-lunch eligible
Blattman El has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Blattman El ranks #61 of 327 schools in San Antonio, TX.
School address
District: Northside Isd · Texas
NCES ID 483312009470 Verify on NCES CCD record →
Teachers (FTE)
37.0
Federal CCD staff survey
Students per teacher
13.3:1
vs 14.7:1 Texas avg
-10% vs state
Free-lunch eligible
12.4%
vs 61.9% Texas avg
-80% vs state
Student-teacher ratio in context
How Blattman El compares with Texas and U.S. medians
What stands out at Blattman El
Blattman El is a lower-poverty, mid-sized combined-grade school in San Antonio, Texas, enrolling 492 students.
Class sizes run a bit leaner than typical: 13.3:1 puts it in the smaller third of Texas schools by student-teacher ratio.
Comparatively few students face economic hardship here, 12.4% free-meal eligibility runs 80% below the Texas average.
With 492 students, its enrollment sits close to the Texas median campus size.
Its Resource Investment Index lands in the upper third of 8,960 scored Texas schools.
Against 421 statewide peers matched on enrollment and economic need, it ranks mid-pack at #182.
Its student body is led by Hispanic or Latino (46%) and White (40%) (diversity index 62/100).
Counselor access is stretched at roughly 492 students per counselor, well above the ASCA-recommended 250:1 ceiling.
11.0% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Northside Isd spends $10,615 per pupil, 22% below the Texas average, a leaner-resourced district than most.
Its district draws 17.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Northside Isd also operates Brennan H S (2,965 students) and Harlan H S (2,778 students) alongside Blattman El.
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 Blattman El compares
Blattman El on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.3:1 | ▼ 10% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 12.4% | ▼ 80% | 61.9% | 51.7% |
| Enrollment | 492 | top 51% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.3:1
Leaner classes than 64% of US schools, a middle-of-the-pack class size.
492
Bigger than 61% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
12.4%
free-lunch eligible
- 80% below the Texas average of 61.9%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.3:1
students per teacher
- 10% below state mean
Top 38% in Texas - lower ratio than 62% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
11.0%
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
$10,615
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 492 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 0 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 0.2 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 46.3%
White 40.2%
Two or More 4.9%
Asian 4.5%
African American 3.5%
American Indian / Alaska Native 0.6%
Largest group: Hispanic or Latino at 46.3% of enrollment.
Student-body diversity index 61.8/100
Simpson diversity index - at 61.8, Blattman El is more mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Northside Isd, which includes Blattman El.
$10,615
Per student
-22%
vs Texas
Avg $13,644
-36%
vs U.S.
Avg $16,593
Revenue mix
Local 60.8%
State 21.6%
Federal 17.6%
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 Blattman El Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Brennan H S | Larger | Higher economic need | Higher S:T ratio |
| Harlan H S | Larger | Higher economic need | Higher S:T ratio |
| Clark H S | Larger | Higher economic need | Higher S:T ratio |
| Taft H S | Larger | Higher economic need | Higher S:T ratio |
| Brandeis H S | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Blattman El's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,965
- Students per teacher
- 16.9:1
- Resource Index
- 32/100
- Enrollment
- 2,778
- Students per teacher
- 18.9:1
- Resource Index
- 38/100
- Enrollment
- 2,750
- Students per teacher
- 16.9:1
- Resource Index
- 37/100
- Enrollment
- 2,670
- Students per teacher
- 16.6:1
- Resource Index
- 43/100
- Enrollment
- 2,657
- Students per teacher
- 16.8:1
- Resource Index
- 41/100
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 (~492 students)
Similar student-teacher ratio (~13.3:1)
Next steps
Verify locally before acting on Blattman El's federal record.
- Compare Blattman El against another school. Compare schools
- Northside 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 Blattman El
How many students attend Blattman El?
Blattman El has 492 students enrolled. It is a public school in San Antonio, TX.
What is the student-teacher ratio at Blattman El?
The student-teacher ratio at Blattman El is 13.3:1, which is 10% lower than the Texas average of 14.7:1 and 15% 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 Blattman El?
12.4% of students at Blattman El are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Blattman El?
The largest demographic group at Blattman El is Hispanic or Latino at 46.3% of enrollment, in San Antonio, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 61.8/100.
What is the Resource Investment Index for Blattman El?
Blattman El has a Resource Investment Index of 48/100 (typical 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 Blattman El rank among schools in San Antonio?
By Resource Investment Index, Blattman El ranks #61 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 Blattman El a good school?
Blattman El earns 48/100 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 Northside Isd?
Besides Blattman El, Northside Isd also operates Brennan H S (2,965 students), Harlan H S (2,778 students), and Clark H S (2,750 students). See the Northside 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.