Summary:
ZIP code 56630 is served by two public schools, both in the Blackduck Public School District: Blackduck Elementary, which covers grades PK–6 with 412 students, and Blackduck Secondary, which covers grades 7–12 with 284 students, for a combined enrollment of 696. There are no middle schools and no alternative schools listed for this area, because the middle grades are housed within the secondary school's 7–12 configuration. The district is rated 337 of 458 in Minnesota, the 26th percentile, 1 star, and both schools carry that same district rating in their records.
Blackduck Elementary is the stronger and improving school. Its state rank has climbed from the 24th percentile (1 star) in 2023–2024 to the 30th percentile and then the 32nd percentile (2 stars) in 2025–2026. In 2025–2026 it beat its district in all three all-grade subjects — math 34.4 vs 30, reading 41.5 vs 34.8, and science 20.8 vs 19.3 — though it trails the state in each. Its 3rd-grade math is 60, above the state's 57.9, but math falls off in the upper grades: 4th grade 34.6 vs 55.2, 5th grade 24.5 vs 41.9, and 6th grade 23.2 vs 39.5. Science improved from 13.11 to 20.8 year over year.
Blackduck Secondary is the more challenged school. Its rank has slipped from the 44th percentile to the 36th percentile over the same period, holding 2 stars. Its 2024–2025 graduation rate was 70.3%, against a state rate of 84.9%, and its dropout rate was 16.6% — nearly four times the state's 4.2%. In 2025–2026 it scored below both its district and the state in math and reading, with science highly volatile: all-grade science was 41.67 in 2024–2025, well above the state's 26.15, then fell to 18.4 against a state mark of 25.5. Notably, the district's 1-star rating sits below both schools' current 2 stars.
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