Enrollment
837
Texas · 2024-25 NCES data
High school (grades 9-12) · Houston, TX
Federal NCES profile for Iltexas Houston Windmill Lakes Orem H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
Iltexas Houston Windmill Lakes Orem H S earns 41/100 on the Resource Investment Index, with class sizes larger than 88% of Texas schools.
Iltexas Houston Windmill Lakes Orem H S has class sizes larger than 88% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Iltexas Houston Windmill Lakes Orem H S ranks #48 of 102 high schools in Houston, TX.
NCES ID 480144013813 Verify on NCES CCD record →
Enrollment
837
Texas · 2024-25 NCES data
Teachers (FTE)
45.0
Federal CCD staff survey
Students per teacher
18.6:1
vs 14.7:1 Texas avg
+27% vs state
Free-lunch eligible
83.6%
vs 61.9% Texas avg
+35% vs state
How Iltexas Houston Windmill Lakes Orem H S compares with Texas and U.S. medians
Larger classes than state median
18.6:1 - 3.9 above the Texas state median of 14.7:1, indicating larger average class loads than typical schools in the state.
Iltexas Houston Windmill Lakes Orem H S is a high-poverty, mid-sized charter high school in Houston, Texas, enrolling 837 students.
Class loads run heavy: 18.6:1 is larger than about 88% of Texas schools and 27% above the 14.7:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 83.6% of students eligible for free meals.
Enrollment of 837 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 8,960 scored Texas schools.
Against 1,618 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #459.
Its student body is led by Hispanic or Latino (75%) and African American (21%) (diversity index 40/100).
On the academic-pipeline side it reports 7 Advanced Placement courses.
Counselor access is stretched at roughly 419 students per counselor, well above the ASCA-recommended 250:1 ceiling.
17.0% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding International Leadership of Texas (Iltexas) spends $8,940 per pupil, 34% below the Texas average, a leaner-resourced district than most.
Its district draws 15.9% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 14 expulsions at this campus for 2021-22.
International Leadership of Texas (Iltexas) also operates Iltexas Garland El (941 students) and Iltexas Katy El (936 students) alongside Iltexas Houston Windmill Lakes Orem 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
Iltexas Houston Windmill Lakes Orem 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 | 18.6:1 | ▲ 27% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 83.6% | ▲ 35% | 61.9% | 51.7% |
| Enrollment | 837 | top 17% | - | - |
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 74.8% of enrollment.
Simpson diversity index - at 39.5, Iltexas Houston Windmill Lakes Orem H S is less mixed than the Texas school average of 44.7.
District-wide per-pupil expenditure for International Leadership of Texas (Iltexas), which includes Iltexas Houston Windmill Lakes Orem 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 |
|---|---|---|---|
| Iltexas Garland El | Similar size | Lower economic need | Lower S:T ratio |
| Iltexas Katy El | Similar size | Lower economic need | Lower S:T ratio |
| Iltexas Grand Prairie El | Similar size | Lower economic need | Similar S:T ratio |
| Iltexas Keller El | Similar size | Lower economic need | Similar S:T ratio |
| Bg Ramirez El | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Iltexas Houston Windmill Lakes Orem 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 Iltexas Houston Windmill Lakes Orem 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.
Iltexas Houston Windmill Lakes Orem H S has 837 students enrolled. It is a high school in Houston, TX.
The student-teacher ratio at Iltexas Houston Windmill Lakes Orem H S is 18.6:1, which is 27% higher than the Texas average of 14.7:1 and 18% higher than the national average of 15.7:1.
83.6% of students at Iltexas Houston Windmill Lakes Orem H S are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Iltexas Houston Windmill Lakes Orem H S is Hispanic or Latino at 74.8% of enrollment, in Houston, TX.
Iltexas Houston Windmill Lakes Orem H S has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Iltexas Houston Windmill Lakes Orem H S ranks #48 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.
Iltexas Houston Windmill Lakes Orem H S earns 41/100 on the Resource Investment Index, with class sizes larger than 88% 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.
Besides Iltexas Houston Windmill Lakes Orem H S, International Leadership of Texas (Iltexas) also operates Iltexas Garland El (941 students), Iltexas Katy El (936 students), and Iltexas Grand Prairie El (936 students). See the International Leadership of Texas (Iltexas) 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, “Iltexas Houston Windmill Lakes Orem 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/iltexas-houston-windmill-lakes-orem-h-s-tx
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