Summary:
ZIP code 56069 is home to just one high school: Tri-City United High School, a grades 9–12 campus in Montgomery, Minnesota with 603 students, part of the Tri-City United School District. Because it is the only high school in the area, families should judge it against the district, the state, and its own past performance rather than against local peers.
Its clearest strength is completion. The graduation rate is 93.5%, matching the district and well above the state's 84.9%, while the dropout rate is 1.9%, also matching the district and far below the state's 4.2% — less than half. Science at the all-grade level is a relative bright spot at 26.4%, ahead of the district's 23.6% and the state's 25.5%. Overall, the school sits at 296th of 473 Minnesota high schools, the 37th percentile with 2 stars, and has held 2 stars for three years; its percentile rose from 31 to 37 but remains under its 2023–2024 mark of 47. The district itself ranks 206th of 458, the 55th percentile with 3 stars.
The main academic challenge is math and reading. In 2025–2026, math proficiency was 23.7% against the state's 44.9%, and reading was 32.1% against 48.6% — both below district averages too. Grade-level results show similar gaps: 11th-grade math trails the state by 11.6 points, 10th-grade reading by 10.4 points, and Science End of Course by 8.6 points. Proficiency slipped in all three subjects year over year, with reading down 3.87 points. For context, 31.01% of students receive free or reduced lunch and the student-teacher ratio is 19.1 to 1.
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