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 (26-27)
- 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%)
- Attendance Zone: William Mason High School's attendance zone encompasses the entire Mason, OH school district, covering approximately 25 square miles. The typical drive to the school from within the zone is around 5-10 minutes, with an average distance of 2.9 miles to the edge and a maximum of 4.5 miles to the furthest point.
- 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
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
Showing 2016–2025. View full 39-year historical data
Total Classroom Teachers
140 teachers
Showing 2016–2025. View full 39-year historical data
Year Founded
1886
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%)
Showing 2013–2023. View full 14-year historical data
Math Test Scores (% Proficient)
78%
54%
Showing 2013–2023. View full 14-year historical data
Reading/Language Arts Test Scores (% Proficient)
85%
60%
Showing 2012–2022. View full 13-year historical data
Science Test Scores (% Proficient)
89%
63%
Student-Teacher Ratio
25:1
17:1
Showing 2016–2025. View full 39-year historical data
Asian
32%
3%
Showing 2016–2025. View full 37-year historical data
Hispanic
6%
8%
Showing 2016–2025. View full 31-year historical data
Black
6%
17%
Showing 2016–2025. View full 36-year historical data
White
50%
65%
Showing 2016–2025. View full 38-year historical data
Two or more races
6%
7%
Showing 2016–2025. View full 15-year historical data
All Ethnic Groups
Showing 2016–2025. View full 37-year historical data
Graduation Rate
97%
86.2%
Showing 2014–2023. View full 13-year historical data
Chronically Absent Students
(22-23)39.2%
30.8%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
14%
42%
Showing 2015–2025. View full 34-year historical data
Eligible for Reduced Lunch
4%
5%
Showing 2015–2025. View full 25-year historical data
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), OH Dept. of Education
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 86.2%.
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?
5 10/10/2025
Malcolm X walked the halls of this very school, crazy when you think about it.
5 10/10/2025
Love being a part of Mason! Love the administration and the teachers. I wish I was at all the Mason Schools, Intermediate, Middle, Elementary, and Early Childhood!
5 10/10/2025
I absolutely loved going to all my years of school at mason. The staff is amazing, and I had so many opportunities through school.
Review William Mason High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
Is Your Child's School Day Too Structured?
Discover where free time disappears during your child's school day, how to evaluate lunch, recess, and classroom schedules, and what parents can do when breaks become structured activities.
When Your Child's Best Friend Is in Another Class
Discover how to help your child when their best friend is assigned to another classroom, including school placement policies, maintaining friendships, building connections, and knowing when to request help.
Should Your Child Repeat a Grade or Move Ahead?
Before agreeing to grade retention, learn what evidence to request, how to review school policies, explore alternatives, understand parental rights, and secure an effective academic support plan for your child.
