William Mason High School
Mason, OH · High School · Grades 9-12
William Mason High School is a high school in Mason, OH with 3,414 students enrolled and a 67% proficiency rate. Part of Mason City. NCES data from the U.S. Department of Education.
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About This School
William Mason High School is a high school located in Mason, Ohio. The school serves 3,414 students in grades 9-12. The student-to-teacher ratio is 23.9:1.
According to EDFacts assessment data, 67% of students meet grade-level proficiency standards in combined math and reading. The school reports a 82% graduation rate.
8% of students qualify for free or reduced-price lunch.
William Mason High School is part of the Mason City in Ohio.
How This School Compares
William Mason High School has 3,414 students enrolled, making it larger than the average school in Mason City (2,545 students). Its 67% proficiency rate is 1 percentage points above the district average of 66%. Compared to the Ohio state average of 53%, the school performs 14 points higher. The 23.9:1 student-teacher ratio is above the national average of 16:1.
Frequently Asked Questions
William Mason High School has 3,414 students enrolled in grades 9-12. The student-to-teacher ratio is 23.9:1.
According to EDFacts data, 67% of students at William Mason High School meet grade-level proficiency standards in combined math and reading assessments.
William Mason High School has a 82% graduation rate, measuring the percentage of students who graduate within four years.
William Mason High School is part of the Mason City in Mason, Ohio. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
Explore School Data
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
For this entity, the underlying data on this page comes from NCES Common Core of Data and EDFacts. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
Every number on this page links back to NCES Common Core of Data and EDFacts; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. public schools and districts with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: NCES Common Core of Data, 2026.