- Enrollment
- 2,190
- Students per teacher
- 22.6:1
- Resource Index
- 35/100
Middle school (grades 6-8) · San Antonio, TX
Robert C Zamora Middle
Federal NCES profile for Robert C Zamora Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 484068010429
👥 S:T ratio 6
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 13
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Robert C Zamora Middle earns 22/100 on the Resource Investment Index, with class sizes larger than 97% of Texas schools. It is also less racially and ethnically mixed than most Texas schools.
- #79 of 80
- middle schools in San Antonio · Resource Index
- 22
- Resource Index · Lower
- 23.4:1
- large classes for Texas
- 89.5%
- free-lunch eligible
Robert C Zamora Middle has class sizes larger than 97% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Robert C Zamora Middle ranks #79 of 80 middle schools in San Antonio, TX.
School address
District: South San Antonio Isd · Texas
NCES ID 484068010429 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+200 students YoY
Robert C Zamora Middle grew from 437 students in 2022-23 to 637 in 2023-24 (+45.8%).
Teacher FTE added 28.8 → 44.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+200 students YoY 484068010429 · San Antonio, TX Middle · MID · TRAD
655 enr · 23.4:1 · 89.5% lunch · RII 22
Nearest enrollment peer: South San Antonio H S (2,190 students)
Robert C Zamora Middle grew from 437 students in 2022-23 to 637 in 2023-24 (+45.8%). Teacher FTE added 28.8 → 44.5 across the same CCD years. Read with this school → · District book → · Texas schools → · Find another →
Robert C Zamora Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- South San Anto
South San Antonio H S
2,190 students
- Roy Benavidez 669
Roy Benavidez El
669 students
- This school 655
Robert C Zamora Middle
655 students
- Palo Alto El 528
Palo Alto El
528 students
- South San Anto 521
South San Antonio H S - West Campus
521 students
- Miguel Carrill 501
Miguel Carrillo Jr El
501 students
What this shows Robert C Zamora Middle reports 655 students on the CCD universe file.
How Robert C Zamora Middle compares
Robert C Zamora Middle is a growing campus on CCD: ratios and free-lunch share vs Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 23.4:1 | ▲ 59% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 89.5% | ▲ 45% | 61.9% | 51.7% |
| Enrollment | 655 | top 31% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23.4:1
Leaner classes than 7% of US schools, heavier class loads than most.
655
Bigger than 77% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
89.5%
free-lunch eligible
- 45% above the Texas average of 61.9%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
23.4:1
students per teacher
- 59% above state mean
Top 97% in Texas - lower ratio than 3% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
35.0%
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
$13,023
per pupil, district-wide
- below Texas avg of $14,348
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 655 students, the combined health-and-guidance staffing load for this school.
Discipline context
73
in-school suspensions + 59 out-of-school
Suspension rate: 11.1 per 100 students. Combined in-school and out-of-school rate: 20.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 95.4%
White 2.1%
African American 1.5%
Asian 0.5%
Two or More 0.5%
Largest group: Hispanic or Latino at 95.4% of enrollment.
Student-body diversity index 8.9/100
Simpson diversity index - at 8.9, Robert C Zamora Middle is less mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
District finance for South San Antonio Isd reports $13,023 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Robert C Zamora Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| South San Antonio H S | Larger | Similar economic need | Similar S:T ratio |
| Roy Benavidez El | Similar size | Similar economic need | Similar S:T ratio |
| Palo Alto El | Similar size | Similar economic need | Similar S:T ratio |
| South San Antonio H S - West Campus | Similar size | Similar economic need | Lower S:T ratio |
| Miguel Carrillo Jr El | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Robert C Zamora Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 669
- Students per teacher
- 22.3:1
- Resource Index
- 30/100
- Enrollment
- 528
- Students per teacher
- 24:1
- Resource Index
- 19/100
- Enrollment
- 521
- Students per teacher
- 12.1:1
- Resource Index
- 42/100
- Enrollment
- 501
- Students per teacher
- 26.4:1
- Resource Index
- 30/100
Nationwide middle schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~655 students)
Frequently asked questions about Robert C Zamora Middle
How many students attend Robert C Zamora Middle?
Robert C Zamora Middle has 655 students enrolled. It is a middle school in San Antonio, TX. CCD year-over-year: 437 (2022-23) → 637 (2023-24), up 200.
What is the student-teacher ratio at Robert C Zamora Middle?
The student-teacher ratio at Robert C Zamora Middle is 23.4:1, which is 59% higher than the Texas average of 14.7:1 and 49% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Robert C Zamora Middle?
89.5% of students at Robert C Zamora Middle are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Robert C Zamora Middle?
The largest demographic group at Robert C Zamora Middle is Hispanic or Latino at 95.4% of enrollment, in San Antonio, TX.
What is the Resource Investment Index for Robert C Zamora Middle?
Robert C Zamora Middle has a Resource Investment Index of 22/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Robert C Zamora Middle rank among middle schools in San Antonio?
By Resource Investment Index, Robert C Zamora Middle ranks #79 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.
What other schools are in South San Antonio Isd?
Besides Robert C Zamora Middle, South San Antonio Isd also operates South San Antonio H S (2,190 students), Roy Benavidez El (669 students), and Palo Alto El (528 students). See the South San Antonio Isd district page for the complete list.