Enrollment
3,435
Ohio · 2024-25 NCES data
High school (grades 9-12) · Mason, OH
William Mason High School
Federal NCES profile for William Mason High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 390504503954
👥 S:T ratio 4
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 24
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
William Mason High School earns 49/100 on the Resource Investment Index, with class sizes larger than 91% of Ohio schools. It is also one of the largest schools in Ohio.
- #2 of 4
- public schools in Mason · Resource Index
- 49
- Resource Index · Higher
- 24:1
- large classes for Ohio
- 5.7%
- free-lunch eligible
William Mason High School has class sizes larger than 91% of Ohio schools. Computed live against every Ohio school reporting to NCES.
By Resource Investment Index, William Mason High School ranks #2 of 4 public schools in Mason, OH.
School address
Teachers (FTE)
143.0
Federal CCD staff survey
Students per teacher
24:1
vs 18.2:1 Ohio avg
+32% vs state
Free-lunch eligible
5.7%
vs 31.6% Ohio avg
-82% vs state
Student-teacher ratio in context
How William Mason High School compares with Ohio and U.S. medians
What stands out at William Mason High School
William Mason High School is a lower-poverty, large high school in Mason, Ohio, enrolling 3,435 students.
Class loads run heavy: 24:1 is larger than about 91% of Ohio schools and 32% above the 18.2:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 5.7% free-meal eligibility runs 82% below the Ohio average.
By headcount it is one of the larger campuses in Ohio, bigger than 99% of state schools at 3,435 students.
Its Resource Investment Index lands in the lower third of 3,574 scored Ohio schools.
Its student body is led by White (50%) and Asian (32%), more mixed than most schools in the state (diversity index 64/100).
On the academic-pipeline side it reports 26 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 382 students sharing each counselor, though short of the most stretched campuses.
The federal civil-rights collection also records 3 expulsions at this campus for 2021-22.
Mason City also operates Mason Intermediate Elementary School (3,086 students) and Mason Early Childhood Center Elementary School (1,997 students) alongside William Mason High 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
How William Mason High School compares
William Mason High 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 | 24:1 | ▲ 32% | 18.2:1 | 15.7:1 |
| Free-lunch eligible | 5.7% | ▼ 82% | 31.6% | 51.7% |
| Enrollment | 3,435 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
24:1
Leaner classes than 6% of US schools, heavier class loads than most.
3,435
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
5.7%
free-lunch eligible
- 82% below the Ohio average of 31.6%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
24:1
students per teacher
- 32% above state mean
Top 91% in Ohio - lower ratio than 9% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Funding equity
$13,348
per pupil, district-wide
- below Ohio avg of $14,655
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors9.0 FTE
Per 382 students, the combined health-and-guidance staffing load for this school.
Discipline context
59
in-school suspensions + 25 out-of-school
Suspension rate: 1.7 per 100 students. Combined in-school and out-of-school rate: 2.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 3 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 49.7%
Asian 32.3%
Hispanic or Latino 6.1%
African American 5.7%
Two or More 5.5%
Native Hawaiian / Pacific Islander 0.4%
American Indian / Alaska Native 0.2%
Largest group: White at 49.7% of enrollment.
Student-body diversity index 63.9/100
Simpson diversity index - at 63.9, William Mason High School is more mixed than the Ohio school average of 35.3.
Programs
AP courses offered 26
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Mason City, which includes William Mason High School.
$13,348
Per student
-9%
vs Ohio
Avg $14,655
-20%
vs U.S.
Avg $16,593
Revenue mix
Local 65.1%
State 28.4%
Federal 6.5%
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.
How William Mason High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mason Intermediate Elementary School | Similar size | Similar economic need | Lower S:T ratio |
| Mason Early Childhood Center Elementary School | Smaller | Similar economic need | Lower S:T ratio |
| Mason Middle School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to William Mason High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,086
- Students per teacher
- 20.9:1
- Resource Index
- 29/100
- Enrollment
- 1,997
- Students per teacher
- 20.4:1
- Resource Index
- 29/100
- Enrollment
- 1,637
- Students per teacher
- 19.3:1
- Resource Index
- 37/100
Similar high schools statewide
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.
Similar enrollment (~3,435 students)
Next steps
Verify locally before acting on William Mason High School's federal record.
- Compare William Mason High School against another school. Compare schools
- Mason City's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about William Mason High School
How many students attend William Mason High School?
William Mason High School has 3,435 students enrolled. It is a high school in Mason, OH.
What is the student-teacher ratio at William Mason High School?
The student-teacher ratio at William Mason High School is 24:1, which is 32% higher than the Ohio average of 18.2:1 and 53% higher than the national average of 15.7:1.
What percentage of students receive free lunch at William Mason High School?
5.7% of students at William Mason High School are eligible for free lunch, compared to the Ohio average of 31.6%.
What is the racial and ethnic makeup of William Mason High School?
The largest demographic group at William Mason High School is White at 49.7% of enrollment, in Mason, OH. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.9/100.
What is the Resource Investment Index for William Mason High School?
William Mason High School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does William Mason High School rank among public schools in Mason?
By Resource Investment Index, William Mason High School ranks #2 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.
Is William Mason High School a good school?
William Mason High School earns 49/100 on the Resource Investment Index, with class sizes larger than 91% of Ohio schools. 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.
What other schools are in Mason City?
Besides William Mason High School, Mason City also operates Mason Intermediate Elementary School (3,086 students), Mason Early Childhood Center Elementary School (1,997 students), and Mason Middle School (1,637 students). See the Mason City district page for the complete list.
Related tools
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.