Summary:
There is one high school in the Sibley East School District: Sibley East-Arlington Senior High, located in Arlington, Minnesota, serving grades 9–12 with 338 students. Because it is the district's only high school, the school-level and district-level high school figures often match exactly; the district's "All Grades" numbers can still include other grade levels and schools, so they are not always an apples-to-apples comparison with the high school's tested grades.
The school's clearest bright spot is momentum. Its state rank improved from 317 of 480 (34th percentile, 2 stars) in 2023–2024 to 287 of 450 (36th percentile) in 2024–2025, and then to 234 of 473 (51st percentile, 3 stars) in 2025–2026 — moving from below to roughly at the state median. Science has been a relative strength against the district: 34.57% school vs. 25.2% district in 2024–2025, and 27.6% vs. 17.9% district in 2025–2026. Eleventh-grade math in 2025–2026 was 34.8%, essentially even with the state's 35.3% and equal to the district's 34.8%. The graduation rate of 84.7% was very close to the state's 84.9%, and all-grade math rebounded sharply, up 19.17 percentage points from 15.63% to 34.8% year over year.
Two areas deserve attention. First, the dropout rate of 8.2% is nearly double Minnesota's 4.2% — a 4.0 percentage-point gap — which stands out because the graduation rate is almost identical to the state's. Second, several 2025–2026 results sit below state averages: all-grade math at 34.8% vs. 44.9%, all-grade reading at 40% vs. 48.6%, 10th-grade reading at 40% vs. 42.5%, and science End-of-Course at 27.6% vs. 35%. All-grade reading also fell from 48.19% to 40%, though the exam changed labels from MCA-III to MCA-IV, so that comparison should be read cautiously. Overall, this is an improving, near-median high school with a 3-star rating, real progress in the rankings, and standout science results relative to its district, but with a high dropout rate and below-state reading and science End-of-Course scores to watch.
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