Summary:
ZIP code 56726 covers Greenbush, Minnesota, and contains two public schools serving a combined 222 students: Greenbush Elementary for grades PK–6 and Greenbush-Middle River Secondary for grades 7–12, both part of the Greenbush Middle River Schools district.
The two schools are heading in opposite directions. Greenbush-Middle River Secondary is the standout, rising to 226 of 473 schools (52nd percentile, 3 stars) in 2025–2026 after sitting at 40th percentile with 2 stars the year before. Its graduation rate of 91.6% is 6.7 percentage points above the state's 84.9%, and its dropout rate is 0.0% versus 4.2% statewide. It also beats the state in all-grade science (32.4% vs 25.5%) and in 7th- and 8th-grade math. Greenbush Elementary has moved the other way, slipping from 40th percentile and 2 stars in 2023–2024 to 701 of 869 (19th percentile, 1 star) in 2025–2026. Its bright spot is 6th-grade reading at 61.1%, above the state's 53.4%, but nearly every other grade-level result falls below state averages.
Reading is the shared concern: elementary 31.9%, secondary 31.4%, and district 31.7% proficient, all well below the state's 48.6%. Math and science split sharply — secondary math (41.7%) and science (32.4%) are near or above state, while elementary math (23.2%) and science (9.1%) lag well behind. With only 120 elementary and 102 secondary students, individual grade scores rest on small cohorts and can swing widely, so multi-year trends are more informative than any single year. The elementary school also serves a higher share of students eligible for free or reduced lunch (31.67% vs 21.57%).
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