Enrollment
134
Texas · 2024-25 NCES data
Other / mixed grade configuration · Mertzon, TX
Federal NCES profile for Irion H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 72/100.
The verdict
Irion H S earns 72/100 on the Resource Investment Index, with class sizes smaller than 96% of Texas schools.
Irion H S has class sizes smaller than 96% of Texas schools. Computed live against every Texas school reporting to NCES.
NCES ID 483036003400 Verify on NCES CCD record →
Enrollment
134
Texas · 2024-25 NCES data
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
7.9:1
vs 14.7:1 Texas avg
-46% vs state
Free-lunch eligible
33.6%
vs 61.9% Texas avg
-46% vs state
How Irion H S compares with Texas and U.S. medians
Smaller classes than state median
7.9:1 - 6.8 below the Texas state median of 14.7:1, indicating smaller average class loads than typical schools in the state.
Irion H S is a small combined-grade school in Mertzon, Texas, enrolling 134 students.
Classes run notably small here: at 7.9:1, Irion H S is leaner than roughly 96% of Texas schools and 46% under the state's 14.7:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 33.6% of students eligible for free meals.
Enrollment of 134 puts it in the smaller third of Texas schools by headcount.
Its Resource Investment Index outscores 99% of the 8,960 Texas schools with a score on record, a top-tier result on this measure.
Among 148 similarly sized, similarly resourced-need Texas schools statewide, it ranks #5, a top-tier result once campus size and economic need are matched.
Its student body is led by White (67%) and Hispanic or Latino (32%) (diversity index 45/100).
Counselor coverage is strong, about 134 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 9.7% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Irion County Isd spends $18,677 per pupil, 37% above the Texas average, a better-resourced district than most.
Its district, Irion County Isd, also runs Irion El (200 students).
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
Irion 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 | 7.9:1 | ▼ 46% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 33.6% | ▼ 46% | 61.9% | 51.7% |
| Enrollment | 134 | top 89% | - | - |
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: White at 67.2% of enrollment.
Simpson diversity index - at 44.5, Irion H S is about as mixed as the Texas school average of 44.7.
District-wide per-pupil expenditure for Irion County Isd, which includes Irion 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 |
|---|---|---|---|
| Irion El | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Irion 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 Irion 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.
Irion H S has 134 students enrolled. It is a public school in Mertzon, TX.
The student-teacher ratio at Irion H S is 7.9:1, which is 46% lower than the Texas average of 14.7:1 and 50% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
33.6% of students at Irion H S are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Irion H S is White at 67.2% of enrollment, in Mertzon, TX.
Irion H S has a Resource Investment Index of 72/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Irion H S earns 72/100 on the Resource Investment Index, with class sizes smaller than 96% 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 Irion H S, Irion County Isd also operates Irion El (200 students). See the Irion County 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, “Irion H S, Mertzon 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/irion-h-s-tx
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