Summary:
ZIP code 56381 serves Starbuck, Minnesota and contains just two schools: Glacial Hills Elementary, a PK–6 elementary school with 97 students, and Minnewaska Area WIN Academy, a K–12 alternative school with 44 students — 141 students total, with no middle or high school in the ZIP.
The two schools sit in very different district contexts. Glacial Hills Elementary is its own standalone district, ranked 420 of 458 statewide (8th percentile, 0 stars), while Minnewaska School District ranks 18 of 458 (96th percentile, 5 stars). Yet Minnewaska Area WIN Academy's own results are far below its district: in 2025–2026 it posted 12% proficient in math (district 64.1%, state 44.9%), 20% in reading (district 63.3%, state 48.6%), and 0% in science (district 37.5%, state 25.5%). The prior year was similar — 8% math, 14.81% reading, 9.09% science. This likely reflects the alternative school's different student population and mission. WIN Academy also has the higher free/reduced lunch rate (70.45% vs 51.55%) and the lower student-teacher ratio (4.0 vs 8.8).
Glacial Hills stands out for volatility. In 2024–2025 its all-grade proficiency was 64.1% in math and 51.28% in reading, both above state levels; in 2025–2026 that fell to 30.2% math and 27.9% reading, both below state. Its rank moved from the 58th percentile with 3 stars to the 11th percentile with 1 star. Grade-level 2025–2026 results show gaps in tested grades, such as Reading 3rd at 5.6% (state 46.8%) and Math 4th at 23.1% (state 55.2%). Science results are suppressed for Glacial Hills in both years, so its science performance is unknown. With so few students and many suppressed values — especially WIN Academy's grade-level results and Glacial Hills science — treat these figures as directional rather than definitive.
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