Enrollment
2,968
Texas · 2024-25 NCES data
High school (grades 9-12) · Houston, TX
Federal NCES profile for Lamar H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Lamar H S earns 38/100 on the Resource Investment Index, with class sizes larger than 94% of Texas schools. It is also one of the largest schools in Texas.
Lamar H S has class sizes larger than 94% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Lamar H S ranks #45 of 102 high schools in Houston, TX.
Enrollment
2,968
Texas · 2024-25 NCES data
Teachers (FTE)
142.0
Federal CCD staff survey
Students per teacher
20.9:1
vs 14.7:1 Texas avg
+42% vs state
Free-lunch eligible
48.6%
vs 61.9% Texas avg
-21% vs state
How Lamar H S compares with Texas and U.S. medians
Larger classes than state median
20.9:1 - 6.2 above the Texas state median of 14.7:1, indicating larger average class loads than typical schools in the state.
Lamar H S is a large high school in Houston, Texas, enrolling 2,968 students.
Class loads run heavy: 20.9:1 is larger than about 94% of Texas schools and 42% above the 14.7:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 48.6% of students eligible for free meals.
By headcount it is one of the larger campuses in Texas, bigger than 99% of state schools at 2,968 students.
Its Resource Investment Index sits near the middle of the pack among 8,960 scored Texas schools.
Against 145 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #46.
Its student body is led by Hispanic or Latino (41%) and African American (31%), more mixed than most schools in the state (diversity index 70/100).
On the academic-pipeline side it reports 4 Advanced Placement courses.
Attendance runs somewhat below the norm, with 22.4% of students chronically absent per the 2021-22 civil-rights 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 Lamar H S.
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
Lamar H S on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.9:1 | ▲ 42% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 48.6% | ▼ 21% | 61.9% | 51.7% |
| Enrollment | 2,968 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Hispanic or Latino at 40.7% of enrollment.
Simpson diversity index - at 69.6, Lamar H S is more mixed than the Texas school average of 44.7.
District-wide per-pupil expenditure for Houston Isd, which includes Lamar H S.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Texas Connections Academy at Houston | Larger | No free-lunch data | Higher S:T ratio |
| Bellaire H S | Similar size | Similar economic need | Lower S:T ratio |
| Westside H S | Similar size | Higher economic need | Lower S:T ratio |
| Heights H S | Similar size | Higher economic need | Lower S:T ratio |
| Houston Math Science and Technology Center | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Lamar H S's own figures; each column derives from NCES Common Core of Data.
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 Lamar H S'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.
Lamar H S has 2,968 students enrolled. It is a high school in Houston, TX.
The student-teacher ratio at Lamar H S is 20.9:1, which is 42% higher than the Texas average of 14.7:1 and 33% higher than the national average of 15.7:1.
48.6% of students at Lamar H S are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Lamar H S is Hispanic or Latino at 40.7% of enrollment, in Houston, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.6/100.
Lamar H S has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Lamar H S ranks #45 of 102 high 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 high schools in Houston on the city page.
Lamar H S earns 38/100 on the Resource Investment Index, with class sizes larger than 94% of Texas schools. It is also one of the largest schools in Texas. 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.
Besides Lamar H S, Houston Isd also operates Texas Connections Academy at Houston (8,641 students), Bellaire H S (3,216 students), and Westside H S (2,729 students). See the Houston Isd district page for the complete list.
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.
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PlainSchools, “Lamar H S, Houston TX.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/lamar-h-s-tx-2
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