Enrollment
860
Texas · 2024-25 NCES data
Other / mixed grade configuration · Tomball, TX
Federal NCES profile for Mahaffey El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
The verdict
Mahaffey El earns 47/100 on the Resource Investment Index, with class sizes near the Texas median. It is also more racially and ethnically mixed than most Texas schools.
Mahaffey El has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Mahaffey El ranks #4 of 13 schools in Tomball, TX.
Enrollment
860
Texas · 2024-25 NCES data
Teachers (FTE)
60.0
Federal CCD staff survey
Students per teacher
14.3:1
vs 14.7:1 Texas avg
-3% vs state
Free-lunch eligible
45.3%
vs 61.9% Texas avg
-27% vs state
How Mahaffey El compares with Texas and U.S. medians
At or below state median
14.3:1 - 0.4 below the Texas state median of 14.7:1, indicating smaller average class loads than typical schools in the state.
Mahaffey El is a mid-sized combined-grade school in Tomball, Texas, enrolling 860 students.
At 14.3:1, 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 runs somewhat below the state's typical profile, with 45.3% of students eligible for free meals.
Enrollment of 860 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 1,070 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #240.
Its student body is led by Hispanic or Latino (49%) and White (28%), more mixed than most schools in the state (diversity index 66/100).
Counselor access is stretched at roughly 860 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 9.9% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Klein Isd spends $10,704 per pupil, 22% below the Texas average, a leaner-resourced district than most.
Its district draws 16.8% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Klein Isd also operates Klein Cain H S (3,922 students) and Klein Oak H S (3,766 students) alongside Mahaffey 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
Mahaffey 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 | 14.3:1 | ▼ 3% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 45.3% | ▼ 27% | 61.9% | 51.7% |
| Enrollment | 860 | top 16% | - | - |
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 49.1% of enrollment.
Simpson diversity index - at 66.1, Mahaffey El is more mixed than the Texas school average of 44.7.
District-wide per-pupil expenditure for Klein Isd, which includes Mahaffey 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 |
|---|---|---|---|
| Klein Cain H S | Larger | Similar economic need | Higher S:T ratio |
| Klein Oak H S | Larger | Lower economic need | Higher S:T ratio |
| Klein Forest H S | Larger | Higher economic need | Similar S:T ratio |
| Klein H S | Larger | Similar economic need | Higher S:T ratio |
| Klein Collins H S | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Mahaffey 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 Mahaffey 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.
Mahaffey El has 860 students enrolled. It is a public school in Tomball, TX.
The student-teacher ratio at Mahaffey El is 14.3:1, which is 3% lower than the Texas average of 14.7:1 and 9% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
45.3% of students at Mahaffey El are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Mahaffey El is Hispanic or Latino at 49.1% of enrollment, in Tomball, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.1/100.
Mahaffey El has a Resource Investment Index of 47/100 (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, Mahaffey El ranks #4 of 13 schools in Tomball, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Tomball on the city page.
Mahaffey El earns 47/100 on the Resource Investment Index, with class sizes near the Texas median. 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 Mahaffey El, Klein Isd also operates Klein Cain H S (3,922 students), Klein Oak H S (3,766 students), and Klein Forest H S (3,418 students). See the Klein 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, “Mahaffey El, Tomball 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/mahaffey-el-tx
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