Other / mixed grade configuration · Houston, TX

Martinez C El

Federal NCES profile for Martinez C El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.

2024-25 NCES dataOther / mixed grade configurationNCES 482364006985
0/100100/10039/100
👥 S:T ratio
46
🌟 Gifted program
70
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Martinez C El earns 39/100 on the Resource Investment Index, with class sizes near the Texas median.

#236 of 435
schools in Houston · Resource Index
39
Resource Index · Typical
13.6:1
students per teacher
98.6%
free-lunch eligible

Martinez C El has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.

By Resource Investment Index, Martinez C El ranks #236 of 435 schools in Houston, TX.

School address

Enrollment

271

Texas · 2024-25 NCES data

Teachers (FTE)

20.0

Federal CCD staff survey

Students per teacher

13.6:1

vs 14.7:1 Texas avg

-7% vs state

Free-lunch eligible

98.6%

vs 61.9% Texas avg

+59% vs state

Student-teacher ratio in context

How Martinez C El compares with Texas and U.S. medians

At or below state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Martinez C El

Martinez C El is a high-poverty, mid-sized combined-grade school in Houston, Texas, enrolling 271 students.

At 13.6:1, 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.

Economic need is high: 98.6% of students qualify for free meals, 59% above the Texas average, a Title I-weighted population that federal funding formulas prioritise.

Enrollment of 271 puts it in the smaller third of Texas schools by headcount.

Its Resource Investment Index lands in the lower third of 8,960 scored Texas schools.

Against 490 statewide peers matched on enrollment and economic need, it ranks mid-pack at #307.

Its student body is led by Hispanic or Latino (54%) and African American (46%) (diversity index 50/100).

Chronic absenteeism is elevated: 46.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Its district draws 23.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.

Houston Isd also operates Texas Connections Academy at Houston (8,641 students) and Bellaire H S (3,216 students) alongside Martinez C 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 Martinez C El compares

Martinez C 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 13.6:1 ▼ 7% 14.7:1 15.7:1
Free-lunch eligible 98.6% ▲ 59% 61.9% 51.7%
Enrollment 271 top 78% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

13.6:1
Leaner classes than 61% of US schools, a middle-of-the-pack class size.
271
Bigger than 28% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
98.6%
free-lunch eligible - 59% 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
13.6:1
students per teacher - 7% below state mean
Top 42% in Texas - lower ratio than 58% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
46.1%
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
$12,031
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 5 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 2.2 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 53.5%
African American 45.8%
White 0.4%
Two or More 0.4%

Largest group: Hispanic or Latino at 53.5% of enrollment.

Student-body diversity index 50.4/100

Simpson diversity index - at 50.4, Martinez C El is more mixed than the Texas school average of 44.7.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Houston Isd, which includes Martinez C El.

$12,031
Per student
-12%
vs Texas
Avg $13,644
-27%
vs U.S.
Avg $16,593
Revenue mix
Local 68.8%
State 8.0%
Federal 23.2%

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 Martinez C El Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Texas Connections Academy at Houston Larger No free-lunch data Higher S:T ratio
Bellaire H S Larger Lower economic need Higher S:T ratio
Lamar H S Larger Lower economic need Higher S:T ratio
Westside H S Larger Lower economic need Higher S:T ratio
Heights H S Larger Lower economic need Higher S:T ratio

Comparisons are relative to Martinez C El's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Houston Isd · 5 sibling schools

View district profile

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.

Next steps

Verify locally before acting on Martinez C El'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.

Frequently asked questions about Martinez C El

How many students attend Martinez C El?

Martinez C El has 271 students enrolled. It is a public school in Houston, TX.

What is the student-teacher ratio at Martinez C El?

The student-teacher ratio at Martinez C El is 13.6:1, which is 7% lower than the Texas average of 14.7:1 and 13% 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 Martinez C El?

98.6% of students at Martinez C El are eligible for free lunch, compared to the Texas average of 61.9%.

What is the racial and ethnic makeup of Martinez C El?

The largest demographic group at Martinez C El is Hispanic or Latino at 53.5% of enrollment, in Houston, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.4/100.

What is the Resource Investment Index for Martinez C El?

Martinez C El has a Resource Investment Index of 39/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Martinez C El rank among schools in Houston?

By Resource Investment Index, Martinez C El ranks #236 of 435 schools in Houston, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Houston on the city page.

Is Martinez C El a good school?

Martinez C El earns 39/100 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 Houston Isd?

Besides Martinez C El, Houston Isd also operates Texas Connections Academy at Houston (8,641 students), Bellaire H S (3,216 students), and Lamar H S (2,968 students). See the Houston Isd district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

View saved

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.