Summary:
ZIP code 55328, which covers Delano, Minnesota and the surrounding area, has exactly one high school: Delano High School, a grades 7–12 campus at 700 Elm Ave E serving 1,158 students. It is the only secondary school in the Delano Public School District, so there are no other local high schools to compare it against — the more telling comparison is how it stacks up against the rest of Minnesota.
By that measure, Delano High School stands out clearly. It has earned a five-star rating and a position in the top 10% of Minnesota high schools for three consecutive years, ranking 31st of 473 schools in 2025–26, 44th of 450 in 2024–25, and 25th of 480 in 2023–24. Test scores beat the state in every subject: 60.4% proficient in math versus 44.9% statewide, 67.1% in reading versus 48.6%, and 31.5% in science versus 25.5%. Reading is the biggest strength, with roughly 38% more students proficient than the state average, and 7th-grade reading reaches 70.5% against 43.5% statewide. Completion results are near the ceiling: a 98.9% graduation rate against 84.9% statewide, and a 0.5% dropout rate against 4.2%. The school achieves this with a relatively lean 22.1-to-1 student–teacher ratio.
Two areas are worth watching. Science is the smallest margin over the state (+6.0 points) and the only subject that declined year over year, down 4.7 points; 8th-grade science at 16.0% sits just below the state's 16.7%, the only sub-state result in the file, though it is a difficult assessment statewide and the gap is under one point. Math also shows a widening spread between grades — 7th grade at 70.1% versus 11th grade at 50.0% — making the upper grades the clearest place for added attention. About 11% of students qualify for free or reduced lunch, which is useful context when reading these results.
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