Summary:
Tyler, Minnesota has one high school: RTR Secondary School, part of RTR Public Schools. It serves grades 6–12 with 380 students, so its reported test scores blend middle-school and high-school performance. The district ranks 158th of 458 in Minnesota, at the 66th percentile with 3 stars, while RTR Secondary's latest rank is 144th of 473, at the 70th percentile with 4 stars for 2025–2026 — somewhat stronger than the district overall. There is no other high school in Tyler to compare it against.
Outcomes for older students are the standout. The graduation rate is 97.9%, far above the state's 84.9%, and the dropout rate is 0.0% versus the state's 4.2%. Science is the most consistent academic strength, above the state in both available years by 7.78 points in 2024–2025 and 6.6 points in 2025–2026; 8th-grade science is 30% proficient against the state's 16.7%. Reading improved sharply, rising from 43.19% to 50% across all grades, moving from 6.4 points below the state to 1.4 points above it. Grade-level reading is strong in 8th grade at 60% and 10th grade at 57.1%.
Math is the main area to watch. All-grades math slipped 5.28 points to 40% in 2025–2026, below the district's 42.4% and the state's 44.9%; 11th-grade math is 31.6% versus the state's 35.3%, and 6th-grade math is 38.6% versus 39.5%. Reading is uneven as well — 6th grade at 45.5% and 7th grade at 36.7% trail the state's 53.4% and 43.5%. Rankings have swung widely: the 87th percentile in 2023–2024, the 49th in 2024–2025, then the 70th in 2025–2026. About 35.26% of students qualify for free/reduced lunch, and the student-teacher ratio is 14.3. Graduation, dropout, lunch, and ratio figures cover 2024–2025 only.
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