Summary
Osseo Senior High is a large grade 9–12 comprehensive high school in Osseo, Minnesota, enrolling 2,289 students in the Osseo Public School District. Its student–teacher ratio was 19.5 in 2024–25, and about 51% of students were eligible for free or reduced-price lunch that year. The school ranks 288th of 473 statewide (39th percentile, 2 stars), similar to its district's 38th percentile, after peaking at 62nd percentile in 2022–23.
In 2025–26 all-grades MCA proficiency, Osseo Senior High scored 23.0% in math and 32.8% in reading — below the district (41.8% and 44.6%) and the state (44.9% and 48.6%), and the lowest among nearby comprehensive high schools, including Maple Grove Senior High (54.5% math, 48.6% reading), Champlin Park High School (32.3%, 41.7%), and Parnassus Prep School-Rhetoric (59.6%, 66.7%). Science is a relative bright spot at 29.4%, above the district's 20.1% and the state's 25.5% all-grades figures, though an End-of-Course science comparison puts it below the state's 35.0%. Graduation is also a strength: 88.7% in 2024–25, above the district (85.3%) and state (84.9%) but below Maple Grove (94.1%), Champlin Park (94.7%), and Parnassus Prep (97.6%). The dropout rate, 4.4%, is below the district's 5.7% but above the state's 4.2%.
Science has been Osseo's most consistent strength, while math is a persistent weakness, sliding from 30.3% in 2022–23 to 23.0% in 2025–26. Reading dropped sharply in 2025–26 from 49.11%, though the test changed from MCA-III to MCA-IV, so some caution is warranted. Results differ widely across student groups; special education students rank in the 83rd percentile (4 stars), the strongest reported subgroup result. Osseo's free/reduced-lunch rate (51.07%) is well above Maple Grove's 19.57% and Champlin Park's 36.43% — useful context when comparing outcomes. The school outperforms nearby alternative and online programs such as Alternative Learning Center Senior High and 279Online Learning Program 9-12, but trails other comprehensive high schools in math, reading, graduation, and dropout.
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