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What do you wish you knew before starting at William Mason High School?
Community prompt from u/allk12. Replies below.
Enrollment
3,435
High
DISTRICT 2,539 · STATE 565
SCHOOL COMMUNITY·MASON CITY·NCES 390504503954
William Mason High School
6100 S Mason Montgomery Rd, Mason, OH 45040 · (513) 398-5025 · Warren County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL3,435 STUDENTS
Student : Teacher
24.5:1
140 FTE teachers
DISTRICT 21.3:1 · STATE 17.7:1
Free / Reduced Lunch
17%
593 students
DISTRICT 17% · STATE 43%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 817 | 24% |
| Grade 10 | 887 | 26% |
| Grade 11 | 847 | 25% |
| Grade 12 | 884 | 26% |
Student demographics
64%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 65% · STATE 54% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within Mason City. Attendance zones can vary; confirm enrollment with the district.
Test scores
Ohio's State Tests 2024-25 . % Proficient or AboveEnglish Language Arts
85.4%
OH avg 59.8% . -0.8pp since 2021
Math
76.8%
OH avg 56.1% . +4.0pp since 2021
What this means: On the Ohio's State Tests, Ohio's statewide test, about 85 of every 100 students at this school read and write at grade level and about 77 of 100 do math at grade level. Across all Ohio schools, those numbers are about 60 and 56. Reading and writing scores have held steady since 2021, while math scores are up about 4 points.
Ohio's State Tests results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 85.4% | 76.8% |
| 2023-24 | 85.9% | 75.7% |
| 2022-23 | 87.5% | 75.5% |
| 2021-22 | 86.2% | 72.8% |
% Proficient or Above, all students and all tested grades.
Source: Ohio's State Tests. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
84.8%
composite math + reading, all grades
Predicted
82.3%
based on OH schools with similar FRL share
Beats by
+2.6pp
above demographic expectation
What this means: About 85% of students here test proficient in math and reading, compared with the roughly 82% typical for Ohio schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Ohio's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like William Mason High School
William Mason High School's state test result (84.8% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| William Mason High School this school | 3,435 | 17.3% | 84.8% |
| Dublin Jerome High School Dublin | 2,075 | 5.1% | 90.2% |
| Solon High School Solon | 1,519 | 17.6% | 92.3% |
| Olentangy High School Lewis Center | 1,760 | 10.9% | 89.3% |
| Orange High School Lewis | 1,936 | 18.9% | 84.3% |
| Dublin Coffman High School Dublin | 1,824 | 22.3% | 79.8% |
Matched among Ohio high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where William Mason High School ranks
Among high schools| Measure | This school | In Ohio | In Warren County |
|---|---|---|---|
| State test proficiency ranked highest first | 84.8% | #47 of 403 | #2 of 7 |
| Math proficiency ranked highest first | 76.8% | #72 of 776 ▼ 11 | #2 of 8 no change |
| Reading proficiency ranked highest first | 85.4% | #66 of 774 no change | #3 of 8 ▼ 2 |
| 3-year test score change ranked biggest gain first | +1.6pp | #474 of 742 | #4 of 8 |
| Enrollment ranked largest first | 3,435 | #1 of 888 | #1 of 10 |
| Students per teacher ranked fewest first | 24.5:1 | #701 of 739 | #7 of 9 |
| Diversity index ranked most diverse first | 63.8% | #70 of 749 | #1 of 9 |
| Free and reduced lunch ranked highest share first | 17.3% | #394 of 435 | #8 of 9 |
| Enrollment change since 2017-18 ranked steepest decline first | -3.1% | #432 of 484 | N/A |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
3,435
-57 (-2%) vs 2020
+407% since 1990-91, when it was 678
Student : Teacher
24.5:1
was 22.8:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 3,435 | 140 | 24.5:1 | 17% (593) |
| 2023-24 | 3,488 | 141.5 | 24.6:1 | 15% (512) |
| 2022-23 | 3,414 | 143.5 | 23.8:1 | 8% (262) |
| 2020-21 | 3,492 | 153 | 22.8:1 | N/A |
| 2017-18 | 3,544 | 154 | 23.0:1 | 7% (238) |
| 2015-16 | 3,529 | 155 | 22.8:1 | 6% (219) |
| 2010-11 | 3,118 | 172 | 18.1:1 | 6% (186) |
| 2000-01 | 1,674 | 96 | 17.4:1 | 3% (52) |
| 1990-91 | 678 | 37 | 18.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for William Mason High School.
Since 2017-18: students down 3% (3,544 to 3,435); teachers down 9% (154 to 140).
About William Mason High School
William Mason High School operates as a large high school in Mason, Ohio. It serves 3,435 students in grades 9 through 12. For comparison, high schools in Ohio average about 565 students.
Mason City has 4 schools and 10,155 students, and William Mason High School is one of those schools.
White students are the largest group at William Mason High School, with 50% of enrollment. Next come 32% Asian, 6% Hispanic, 6% Black, and 6% multiracial. The county population is about 83% White. The chance that two students picked at random at William Mason High School belong to different racial or ethnic groups, known as the diversity index, is 64%.
The teaching staff at William Mason High School is 140 full-time-equivalent teachers, and the ratio is 24.5:1. That ratio is over the 17.7:1 average for high schools in Ohio. Free or reduced-price lunch eligibility is 17%.
William Mason High School scores 84.8% on state tests, averaged across results. The predicted figure, based on its student poverty level, is 82.3%.
In the county around the school, Warren County, median household income is about $110,132, 46% of adults hold a bachelor's degree or higher, and about 4% of residents live below the federal poverty line. William Mason High School is among the 45 public schools in Warren County.
The shortest distance from William Mason High School to another public school is about 0.4 miles, to Mason Middle School. The five-mile area around William Mason High School holds at least 8 other public schools. Among 7 nearby schools that report test results, William Mason High School ranks 3rd on proficiency.
NCES assigns William Mason High School the locale Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Enrollment has been fairly stable: 3,492 in 2020-21 and 3,435 in 2024-25. The school's ratio rose from 22.8:1 to 24.5:1 between 2020-21 and 2024-25.
Topics for discussion here include school safety, transportation, and start times. Anyone with firsthand experience at this school can post or comment.
Warren County at a glance
View full county profilePopulation
250,008
Census ACS
Median income
$110,132
Household, ACS
Bachelor's+
46%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
45
39,898 students
Quick facts
Related schools
Other schools in Mason City
- Mason Intermediate Elementary SchoolElementary · 3,086 students
- Mason Early Childhood Center Elementary SchoolElementary · 1,997 students
- Mason Middle SchoolMiddle · 1,637 students
Other schools in Mason
- Mason Intermediate Elementary SchoolElementary · 3,086 students
- Mason Early Childhood Center Elementary SchoolElementary · 1,997 students
- Mason Middle SchoolMiddle · 1,637 students
Nearby schools
- Mason Middle School0.4 mi · 1,637
- Mason Intermediate Elementary School0.5 mi · 3,086
- Mason Early Childhood Center Elementary School1.7 mi · 1,997
- Columbia Intermediate School2.6 mi · 809
- Kings Junior High School2.7 mi · 730
- Kings High School2.8 mi · 1,457
Frequently asked questions
About William Mason High SchoolWhat is the total enrollment at William Mason High School?
William Mason High School enrolls approximately 3,435 students in grades 09-12.
What age range does William Mason High School serve?
William Mason High School serves students from grade 09 through grade 12.
How many teachers does William Mason High School have?
William Mason High School employs 140 FTE teachers, for a student-to-teacher ratio of 24.5:1.
How diverse is William Mason High School?
William Mason High School reports a student body of 50% White, 6% Hispanic, 6% Black, 32% Asian, 6% Two or more.
What district is William Mason High School in?
William Mason High School is part of Mason City.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.