Enrollment
1,637
Ohio · 2024-25 NCES data
Middle school (grades 6-8) · Mason, OH
Federal NCES profile for Mason Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
The verdict
Mason Middle School earns 37/100 on the Resource Investment Index, with class sizes near the Ohio median. It is also one of the largest schools in Ohio.
Mason Middle School has class sizes near the Ohio median. Computed live against every Ohio school reporting to NCES.
By Resource Investment Index, Mason Middle School ranks #1 of 4 public schools in Mason, OH.
Enrollment
1,637
Ohio · 2024-25 NCES data
Teachers (FTE)
85.0
Federal CCD staff survey
Students per teacher
19.3:1
vs 18.2:1 Ohio avg
+6% vs state
Free-lunch eligible
6.3%
vs 31.6% Ohio avg
-80% vs state
How Mason Middle School compares with Ohio and U.S. medians
Slightly above state median
19.3:1 - 1.1 above the Ohio state median of 18.2:1, indicating larger average class loads than typical schools in the state.
Mason Middle School is a lower-poverty, large middle school in Mason, Ohio, enrolling 1,637 students.
Class loads run somewhat heavier than typical: 19.3:1 puts it in the larger third of Ohio schools by student-teacher ratio.
Comparatively few students face economic hardship here, 6.3% free-meal eligibility runs 80% below the Ohio average.
By headcount it is one of the larger campuses in Ohio, bigger than 98% of state schools at 1,637 students.
Its Resource Investment Index sits near the middle of the pack among 3,574 scored Ohio schools.
Against 83 statewide peers matched on enrollment and economic need, it ranks mid-pack at #53.
Its student body is led by White (48%) and Asian (36%), more mixed than most schools in the state (diversity index 63/100).
Counselor access is stretched at roughly 409 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Mason City also operates William Mason High School (3,435 students) and Mason Intermediate Elementary School (3,086 students) alongside Mason Middle School.
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
Mason Middle School on the metrics families compare, against Ohio and U.S. means.
| Metric | This school | vs Ohio | Ohio avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.3:1 | ▲ 6% | 18.2:1 | 15.7:1 |
| Free-lunch eligible | 6.3% | ▼ 80% | 31.6% | 51.7% |
| Enrollment | 1,637 | top 2% | - | - |
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 48.3% of enrollment.
Simpson diversity index - at 63.1, Mason Middle School is more mixed than the Ohio school average of 35.3.
District-wide per-pupil expenditure for Mason City, which includes Mason Middle School.
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 |
|---|---|---|---|
| William Mason High School | Larger | Similar economic need | Higher S:T ratio |
| Mason Intermediate Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Mason Early Childhood Center Elementary School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Mason Middle School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Ohio, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Mason Middle School'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.
Mason Middle School has 1,637 students enrolled. It is a middle school in Mason, OH.
The student-teacher ratio at Mason Middle School is 19.3:1, which is 6% higher than the Ohio average of 18.2:1 and 23% higher than the national average of 15.7:1.
6.3% of students at Mason Middle School are eligible for free lunch, compared to the Ohio average of 31.6%.
The largest demographic group at Mason Middle School is White at 48.3% of enrollment, in Mason, OH. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.1/100.
Mason Middle School has a Resource Investment Index of 37/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Mason Middle School ranks #1 of 4 public schools in Mason, OH. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mason on the city page.
Mason Middle School earns 37/100 on the Resource Investment Index, with class sizes near the Ohio median. It is also one of the largest schools in Ohio. 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 Mason Middle School, Mason City also operates William Mason High School (3,435 students), Mason Intermediate Elementary School (3,086 students), and Mason Early Childhood Center Elementary School (1,997 students). See the Mason City 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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Last updated:
PlainSchools, “Mason Middle School, Mason OH.” 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/mason-middle-school-oh
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