Summary:
Milbank School District 25-4 has one listed high school in Milbank, Milbank High School - 01, serving grades 9–12 and enrolling 333 students. The school’s reported graduation rate is stronger than the state’s, but its latest test results are below state levels in every subject. The clearest concern in those latest results is science, where the school was 9 points below the state.
With just one school in the list, Milbank is the local group’s highest and lowest by default; that does not provide a meaningful comparison with other schools. Against the state, its 2024–2025 Smarter Balanced results were higher in all three subjects: by 9 points in English language arts (73% vs. 64%), 9 points in math (45% vs. 36%), and 3 points in science (52% vs. 49%). In the 2025–2026 SD ACT results, it was below the state in English language arts by 2 points (46% vs. 48%), math by 6 points (28% vs. 34%), and science by 9 points (36% vs. 45%). Completion measures offer a stronger picture: the 2025–2026 graduation rate was 95%, compared with 88% statewide, while the dropout rate was 0%, compared with 2% statewide.
SchoolDigger’s ranking history shows a substantial drop in relative standing in the latest listed year: the school moved from 60th percentile in 2023–2024 to 77th in 2024–2025, then to 28th in 2025–2026, a 49-point decrease from the prior year; its rank changed from 38 of 166 to 94 of 130 between those last two years. These rankings are not test-score percentages, and the different assessments shown do not establish a year-over-year test-score change. The school’s student–teacher ratio was 12.2 in 2024–2025, and 29% of students were free/reduced lunch eligible that year; these figures provide context, not a basis for comparison with another school in this list.
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