Summary:
ZIP code 55921 in Caledonia, Minnesota is home to a single middle school, Caledonia Middle, which serves grades 6–8 and enrolls 138 students at 825 N Warrior Ave. It belongs to the Caledonia Public School District, which ranks 15th of 458 Minnesota districts — the top 3% in the state. With roughly 46 students per grade and a student-teacher ratio of 11.6, classes here are small and staffing is generous compared with the typical American middle school.
Academically, the school is a strong performer. In 2025-2026, 62.3% of students met standards in math and 68.3% in reading, beating the state by +17.4 and +19.7 points respectively. Every grade level outperformed the state in both subjects, by margins ranging from +11.5 points (8th grade reading) to +26.7 points (7th grade reading). One pattern worth watching: math proficiency rises across the grades (55.0% → 61.7% → 68.6%), while reading slips (75.0% → 70.2% → 61.5%). Science, tested only in 8th grade, came in at 25.0% — that is +8.3 points above the state's 8th-grade figure of 16.7%. The school also gained ground year over year in every subject: reading +6.7 points, math +10.9 points, and science +12.8 points.
Families should know that 24.64% of students qualify for free or reduced lunch, so roughly one in four faces economic need. The school has also climbed steadily in state rankings: 87th of 545 (84th percentile, four stars) in 2023-2024, then 63rd of 519 in 2024-2025, and 28th of 546 (95th percentile, five stars) in 2025-2026 — now in the top 5% of ranked middle schools statewide. Because grade sizes are small, a single student can shift a grade-level percentage by about 2.2 points, so year-to-year swings are best read as directional rather than precise.
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