Summary:
Mapleton, Minnesota is home to a single high school in this data set: Maple River Secondary, a grades 6–12 school with 502 students in the Maple River School District. Because it is the only high school in the city, there is no in-town comparison to make — but its results can be measured against the district and the state, and by those standards it performs strongly.
Maple River Secondary ranked 54th of 473 Minnesota schools in 2025–2026, placing it in the 89th percentile and earning 4 stars — a rating it has held for three straight years. That is a major jump from 2024–2025, when it ranked 134th of 450 (70th percentile), a 19-point percentile gain. The district also ranks well, at 62nd of 458 (86th percentile) with 4 stars. Outcomes beyond testing look solid too: the graduation rate is 90.0%, above the state's 84.9%, and the dropout rate is 3.3%, below the state's 4.2%.
On 2025–2026 MCA tests, the school beat the state in every all-grade subject: math 51.6% vs. 44.9%, reading 52.2% vs. 48.6%, and science 39.1% vs. 25.5%. Science is a particular strength — End of Course science reached 53.7% against 35.0% statewide — while 8th grade science was 28.4%, still above the state's 16.7%. Eleventh grade math stood out at 60.7% versus 35.3% statewide. Year over year, math and science improved (49.26% to 51.6% and 37.12% to 39.1%), while reading slipped from 56.55% to 52.2% but remained above district and state averages. With 37.65% of students eligible for free/reduced lunch and a student/teacher ratio of 17.2, these are notable results.
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