William Mason High School, also known as Mason High School, is a four-year public high school located in the Mason City Schools district in Mason, Ohio, a suburb of Cincinnati, Ohio.
Serving 3,435 students in grades 9-12, William Mason High School ranks in the top 20% of all schools in Ohio for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 78% (which is higher than the Ohio state average of 54%). The percentage of students achieving proficiency in reading/language arts is 85% (which is higher than the Ohio state average of 60%).
The student-teacher ratio of 25:1 is higher than the Ohio state level of 17:1.
Minority enrollment is 50% of the student body (majority Asian), which is higher than the Ohio state average of 35% (majority Black and Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 3,435 students
- Student-Teacher Ratio: 25:1
- Minority Enrollment: 50%
- Graduation Rate: 97% (Top 5% in OH)
- Overall Testing Rank: Top 20%
- Math Proficiency: 78% (Top 20%)
- Reading Proficiency: 85% (Top 10%)
- Science Proficiency: 89% (Top 5%)
- Source: National Center for Education Statistics (NCES), OH Dept. of Education
Top Rankings
William Mason High School ranks among the top 20% of public schools in Ohio for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
Diversity
School Overview
William Mason High School's student population of 3,435 students has stayed relatively flat over five school years.
The teacher population of 140 teachers has declined by 9% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
3,435 students
Total Classroom Teachers
140 teachers
Year Founded
1886
School Calendar
School Rankings
William Mason High School ranks within the top 20% of all 3,181 schools in Ohio (based off of combined math and reading proficiency testing data).
The diversity score of William Mason High School is 0.64, which is more than the diversity score at state average of 0.54. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#329 out of 3181 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
78%
54%
Reading/Language Arts Test Scores (% Proficient)
85%
60%
Science Test Scores (% Proficient)
89%
63%
Student-Teacher Ratio
25:1
17:1
American Indian
n/a
n/a
Asian
32%
3%
Hispanic
6%
8%
Black
6%
17%
White
50%
65%
Hawaiian
n/a
n/a
Two or more races
6%
7%
All Ethnic Groups
Graduation Rate
97%
86%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
14%
42%
Eligible for Reduced Lunch
4%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), OH Dept. of Education
School Notes
- School Mascot: Comets
Frequently Asked Questions
What is William Mason High School's ranking?
William Mason High School is ranked #329 out of 3,181 schools, which ranks it among the top 20% of public schools in Ohio.
What schools are William Mason High School often compared to?
William Mason High Schoolis often viewed alongside schools like Kings High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
78% of students have achieved math proficiency (compared to the 54% OH state average), while 85% of students have achieved reading proficiency (compared to the 60% OH state average).
What is the graduation rate of William Mason High School?
The graduation rate of William Mason High School is 97%, which is higher than the Ohio state average of 86%.
How many students attend William Mason High School?
3,435 students attend William Mason High School.
What is the racial composition of the student body?
50% of William Mason High School students are White, 32% of students are Asian, 6% of students are Hispanic, 6% of students are Black, and 6% of students are Two or more races.
What is the student-teacher ratio of William Mason High School?
William Mason High School has a student ration of 25:1, which is higher than the Ohio state average of 17:1.
What grades does William Mason High School offer ?
William Mason High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is William Mason High School part of?
William Mason High School is part of Mason City School District.
School Reviews
5 10/10/2025
I saw your band at the rose bowl parade today. I was teacher and principal at WILLIAM MASON SCHOOL IN Choiceland, Saskatchewan Canada from 1968 to 1998. I was so surprised to hear that there was another WMHS. Are you interested in corresponding with this Canadian school?
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