Enrollment
1,114
Texas · 2024-25 NCES data
Middle school (grades 6-8) · San Antonio, TX
Luna Middle
Federal NCES profile for Luna Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 483312010438
👥 S:T ratio 36
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 26
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Luna Middle earns 33/100 on the Resource Investment Index, with class sizes larger than 70% of Texas schools.
- #65 of 80
- middle schools in San Antonio · Resource Index
- 33
- Resource Index · Typical
- 15.9:1
- large classes for Texas
- 42.0%
- free-lunch eligible
Luna Middle has class sizes larger than 70% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Luna Middle ranks #65 of 80 middle schools in San Antonio, TX.
School address
District: Northside Isd · Texas
NCES ID 483312010438 Verify on NCES CCD record →
Teachers (FTE)
70.0
Federal CCD staff survey
Students per teacher
15.9:1
vs 14.7:1 Texas avg
+8% vs state
Free-lunch eligible
42.0%
vs 61.9% Texas avg
-32% vs state
Student-teacher ratio in context
How Luna Middle compares with Texas and U.S. medians
What stands out at Luna Middle
Luna Middle is a large middle school in San Antonio, Texas, enrolling 1,114 students.
Class loads run somewhat heavier than typical: 15.9:1 puts it in the larger third of Texas schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 42.0% of students eligible for free meals.
By headcount it is one of the larger campuses in Texas, bigger than 91% of state schools at 1,114 students.
Its Resource Investment Index lands in the lower third of 8,960 scored Texas schools.
Among 707 similarly sized, similarly resourced-need Texas schools statewide, it ranks #636, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (70%) and White (15%) (diversity index 47/100).
Counselor access is stretched at roughly 557 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 29.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
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.
Discipline events run high: 227 in- and out-of-school suspensions were reported for 1,114 students in the 2021-22 Civil Rights Data Collection.
Northside Isd also operates Brennan H S (2,965 students) and Harlan H S (2,778 students) alongside Luna Middle.
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 Luna Middle compares
Luna Middle on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.9:1 | ▲ 8% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 42.0% | ▼ 32% | 61.9% | 51.7% |
| Enrollment | 1,114 | top 9% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.9:1
Leaner classes than 39% of US schools, a middle-of-the-pack class size.
1,114
Bigger than 93% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
42.0%
free-lunch eligible
- 32% below the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
15.9:1
students per teacher
- 8% above state mean
Top 70% in Texas - lower ratio than 30% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
29.5%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
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
Counselors2.0 FTE
Per 557 students, the combined health-and-guidance staffing load for this school.
Discipline context
107
in-school suspensions + 120 out-of-school
Suspension rate: 9.6 per 100 students. Combined in-school and out-of-school rate: 20.4 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 70.4%
White 14.6%
African American 8.8%
Two or More 4.3%
Asian 1.5%
Native Hawaiian / Pacific Islander 0.4%
Largest group: Hispanic or Latino at 70.4% of enrollment.
Student-body diversity index 47.3/100
Simpson diversity index - at 47.3, Luna Middle 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 Luna Middle.
$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 Luna Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Brennan H S | Larger | Lower economic need | Similar S:T ratio |
| Harlan H S | Larger | Lower economic need | Higher S:T ratio |
| Clark H S | Larger | Similar economic need | Similar S:T ratio |
| Taft H S | Larger | Similar economic need | Similar S:T ratio |
| Brandeis H S | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to Luna Middle'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 middle 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 (~1,114 students)
Next steps
Verify locally before acting on Luna Middle's federal record.
- Compare Luna Middle 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 Luna Middle
How many students attend Luna Middle?
Luna Middle has 1,114 students enrolled. It is a middle school in San Antonio, TX.
What is the student-teacher ratio at Luna Middle?
The student-teacher ratio at Luna Middle is 15.9:1, which is 8% higher than the Texas average of 14.7:1 and 1% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Luna Middle?
42.0% of students at Luna Middle are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Luna Middle?
The largest demographic group at Luna Middle is Hispanic or Latino at 70.4% of enrollment, in San Antonio, TX.
What is the Resource Investment Index for Luna Middle?
Luna Middle has a Resource Investment Index of 33/100 (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 Luna Middle rank among middle schools in San Antonio?
By Resource Investment Index, Luna Middle ranks #65 of 80 middle 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 middle schools in San Antonio on the city page.
Is Luna Middle a good school?
Luna Middle earns 33/100 on the Resource Investment Index, with class sizes larger than 70% 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 Northside Isd?
Besides Luna Middle, 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.