Summary
Marathon High is a public high school serving 274 students in grades 9–12 in Marathon, WI, part of the Marathon City School District. It is one of the top-ranked high schools in the state: its 2025–26 statewide rank is 69th of 533 (87th percentile, 4 stars), and it has earned 4 stars every year in the available history from 2015–16 through 2025–26. Tenth-grade proficiency in 2025–26 was above the state average in all four reported subjects — Social Studies 58.46%, ELA 61.19%, Math 56.72%, and Science 56.72%, compared with state rates of 42.93%–48.47%.
Compared with nearby high schools, Marathon's latest rank is the strongest: Mosinee High (104/533), Stratford High (105/533), Edgar High (133/533), and D C Everest High (145/533) all rank lower. Marathon had the highest Social Studies proficiency of the nearby group, was second in ELA to Mosinee, and was essentially tied with Mosinee and D C Everest in Math and Science. It is a small school, similar in size to Stratford and much smaller than Mosinee or D C Everest. Its free/reduced lunch rate of 16.42% is relatively low for the area, and its 13:1 student-teacher ratio is better than larger nearby high schools.
The clearest concern is chronic absenteeism: 23.0% of students were chronically absent in 2024–25, up from 4.4% in 2020–21 and well above the district (14.2%) and state (17.3%) rates, and higher than Stratford High (3.6%), Mosinee High (12.4%), and D C Everest High (16.6%). The graduation rate dipped to 90.6% in 2024–25 after four years between 95.2% and 100.0%, though the dropout rate remains 0.0%. Outcomes for low-socioeconomic-status students have swung from the 90th percentile in 2023–24 to 45th in 2025–26. Overall, this is a high-achieving school whose main opportunities are attendance, the graduation dip, and steadier results for low-income students.
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