Summary
Whitnall High is a 9–12 public high school in Greenfield, Wisconsin, serving 821 students in the Whitnall School District, a suburban community in the Milwaukee area. Families looking at this school will find strong completion numbers: the 2024–25 graduation rate was 97.0% compared with 92.0% statewide, and the dropout rate was just 0.2% versus 1.1% statewide. About 28.5% of students were eligible for free or reduced-price lunch, per-pupil spending was $14,035, and the student–teacher ratio was a favorable 14.2:1 — the lowest spending and one of the better ratios among nearby comprehensive high schools.
On 2025–26 10th-grade tests, Whitnall scored above the state average in all four subjects: ELA 49.27 vs. 48.47, math 47.32 vs. 42.93, science 49.27 vs. 43.20, and social studies 50.53 vs. 48.25. That said, it trails Eisenhower Middle/High and New Berlin West Middle/High in most subjects, and usually Greendale High as well, placing roughly fourth among traditional comprehensive high schools in the area while outperforming Greenfield High, Nathan Hale High, Central High, Hamilton High, and Audubon Technology and Communication High. Greendale High is the closest demographic match — similar poverty rate, enrollment size, and class size — which makes it a useful benchmark.
Two items are worth watching. Whitnall slipped in 2025–26, from 120th of 431 (72nd percentile, 4 stars) to 199th of 533 (63rd percentile, 3 stars), driven largely by an ELA drop from 65.34% to 49.27% proficient. Chronic absenteeism, at 13.4%, is better than the state's 17.3% but above the Whitnall School District's 8.0% average and far above the New Berlin schools' 4.1%–4.4%. A bright spot is that students from low-income backgrounds and students in special education ranked above the school's overall percentile.
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