Summary
Mahtomedi Senior High is a grades 9–12 comprehensive high school serving 1,175 students in Mahtomedi, Minnesota, a Washington County community in the northeast Twin Cities metro, and it is the only high school in the Mahtomedi Public School District. The school has earned 5 stars in every year on record, from 2015-16 through 2025-26, with statewide percentiles between 90 and 99, while its district ranks 12th of 458 districts statewide. Outcomes are strong and steady: graduation rates ranged from 95.8% to 97.8% over the past five years against a state rate near 84%, and the dropout rate has stayed at or below 0.7% versus roughly 4% statewide.
On 2025-26 state tests, 57.8% of students met the math standard, 64.7% reading, and 37.1% science — all well above state averages, with reading the strongest subject at about 16 points ahead. One thing parents may want to watch: math runs about 10 points below the district's all-grade average, making it the one subject where the school trails its own district. The school also serves a markedly more advantaged population than its neighbors, with 11.49% of students qualifying for free or reduced lunch. That matters when reading comparisons, because every nearby option — 622 Online High School, 622 Alternative Middle/High School, White Bear Area Learning Center, South Campus Education Center, 916 Mahtomedi Academy, and Passages Transition Program — is an alternative, online, or transition program enrolling 10 to 140 students, with free/reduced-lunch rates of 40% to 80%.
The standout result is special education: those students ranked 3rd of 224 schools statewide in 2025-26, up from the 47th percentile two years earlier. The 2025-26 year was otherwise the mildest in a decade, with the school at 47th of 473 (90th percentile) — still strong, but a step down. Science scores fell sharply, though the state fell nearly as much, so the school's margin over the state held steady.
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