Enrollment
401
Texas · 2024-25 NCES data
Elementary school (grades K-5) · Arlington, TX
Federal NCES profile for Glenn Harmon El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
The verdict
Glenn Harmon El earns 44/100 on the Resource Investment Index, with class sizes smaller than 86% of Texas schools. It is also more racially and ethnically mixed than most Texas schools.
Glenn Harmon El has class sizes smaller than 86% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Glenn Harmon El ranks #7 of 12 elementary schools in Arlington, TX.
NCES ID 482892006582 Verify on NCES CCD record →
Enrollment
401
Texas · 2024-25 NCES data
Teachers (FTE)
37.0
Federal CCD staff survey
Students per teacher
10.8:1
vs 14.7:1 Texas avg
-27% vs state
Free-lunch eligible
81.2%
vs 61.9% Texas avg
+31% vs state
How Glenn Harmon El compares with Texas and U.S. medians
Smaller classes than state median
10.8:1 - 3.9 below the Texas state median of 14.7:1, indicating smaller average class loads than typical schools in the state.
Glenn Harmon El is a high-poverty, mid-sized elementary school in Arlington, Texas, enrolling 401 students.
Classes run notably small here: at 10.8:1, Glenn Harmon El is leaner than roughly 86% of Texas schools and 27% under the state's 14.7:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 81.2% of students eligible for free meals.
With 401 students, its enrollment sits close to the Texas median campus size.
Its Resource Investment Index sits near the middle of the pack among 8,960 scored Texas schools.
Against 1,808 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #587.
Its student body is led by African American (46%) and White (21%), more mixed than most schools in the state (diversity index 70/100).
Counselor access is stretched at roughly 401 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 28.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Mansfield Isd spends $10,247 per pupil, 25% below the Texas average, a leaner-resourced district than most.
Mansfield Isd also operates Mansfield Lake Ridge H S (2,751 students) and Mansfield Legacy H S (2,568 students) alongside Glenn Harmon 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
Glenn Harmon 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 | 10.8:1 | ▼ 27% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 81.2% | ▲ 31% | 61.9% | 51.7% |
| Enrollment | 401 | top 64% | - | - |
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: African American at 45.9% of enrollment.
Simpson diversity index - at 69.5, Glenn Harmon El is more mixed than the Texas school average of 44.7.
District-wide per-pupil expenditure for Mansfield Isd, which includes Glenn Harmon El.
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 |
|---|---|---|---|
| Mansfield Lake Ridge H S | Larger | Lower economic need | Higher S:T ratio |
| Mansfield Legacy H S | Larger | Lower economic need | Higher S:T ratio |
| Mansfield H S | Larger | Lower economic need | Higher S:T ratio |
| Mansfield Timberview H S | Larger | Lower economic need | Higher S:T ratio |
| Mansfield Summit H S | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Glenn Harmon El'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 Glenn Harmon 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.
Glenn Harmon El has 401 students enrolled. It is an elementary school in Arlington, TX.
The student-teacher ratio at Glenn Harmon El is 10.8:1, which is 27% lower than the Texas average of 14.7:1 and 31% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
81.2% of students at Glenn Harmon El are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Glenn Harmon El is African American at 45.9% of enrollment, in Arlington, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.5/100.
Glenn Harmon El has a Resource Investment Index of 44/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Glenn Harmon El ranks #7 of 12 elementary schools in Arlington, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Arlington on the city page.
Glenn Harmon El earns 44/100 on the Resource Investment Index, with class sizes smaller than 86% of Texas schools. It is also more racially and ethnically mixed than most 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 Glenn Harmon El, Mansfield Isd also operates Mansfield Lake Ridge H S (2,751 students), Mansfield Legacy H S (2,568 students), and Mansfield H S (2,552 students). See the Mansfield 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, “Glenn Harmon El, Arlington 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/glenn-harmon-el-tx
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