Summary:
ZIP code 55369 has five high schools serving grades 6–12, 9–12, and grade 12 only, with 5,117 students in the Maple Grove/Osseo area. Maple Grove Senior High (2,453) and Osseo Senior High (2,289) are large comprehensive schools holding about 92.7% of enrollment. Parnassus Prep School-Rhetoric (258) is mid-sized, while Osseo Education Center (99, grade 12 only) and School #533 (18, grades 6–12) are small specialized settings. Three schools are in Osseo Public School District, one in Parnassus Preparatory School, and one in Intermediate School District 287. Data coverage is uneven: rank, graduation/dropout, and test scores exist for the three main academic high schools, but not for Osseo Education Center, and School #533’s school-level test scores are suppressed as —, meaning unknown.
Parnassus Prep School-Rhetoric is clear academic standout: 11th of 473 in 2025-2026, 98th percentile, 5 stars, and 5 stars in prior two years. Its graduation rate is 97.6%, dropout rate is 2.3%, and all-grade proficiency is 59.6% Math, 66.7% Reading, and 58.8% Science, far above state’s 44.9%, 48.6%, 25.5%. Maple Grove Senior High is the standout among large Osseo Public School District schools: despite a district rated 285th of 458 with 2 stars, it ranks 120th of 473, at the 75th percentile with 4 stars, with 94.1% graduation, 2.3% dropout, and all-grade scores at or above the state. Osseo Senior High contrasts: 288th of 473, 39th percentile, 2 stars, down from 59th percentile and 3 stars in 2023-2024; Math and Reading are below district and state, but Science all-grade is 29.4%, above district 20.1% and state 25.5%, and graduation is 88.7%, above 84.9%.
Two large comprehensive schools hold 92.7% of students. Free/reduced lunch and student/teacher ratio do not map neatly onto outcomes: Maple Grove has the lowest FRL rate, 19.57%, but the highest ratio, 22.1; Parnassus has a higher FRL rate, 36.82%, and lower ratio, 13.6, yet the strongest outcomes; Osseo Senior has the highest FRL among comprehensive schools, 51.07%, and lower Math/Reading results. Science is a relative bright spot for Osseo district schools in all-grade results, but on End-of-Course Science both are below the state’s 35.0%.
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