Summary
Greenfield High is a 9–12 comprehensive high school in the Greenfield School District, serving about 1,140 students in Greenfield, Wisconsin, a Milwaukee suburb. It is mid-to-large for the area — bigger than Greendale High (882) and Whitnall High (821), but smaller than Hamilton High. For 2025–2026 it ranked 396th of 533 Wisconsin high schools (26th percentile, 1 star), while the Greenfield School District ranked 350th of 432 districts. Its history is mostly 1-star with occasional 2-star years, peaking at the 37th percentile in 2023–2024.
Test proficiency trails the state in every subject: social studies 43.55% vs. 48.25%, English language arts 35.61% vs. 48.47%, math 26.52% vs. 42.93%, and science 28.41% vs. 43.20%. Math and science are the largest gaps. Compared with nearby high schools, Greenfield usually lands 4th — ahead of Central High and Pulaski High by wide margins, but well behind Greendale High, Reagan College Preparatory High, and Whitnall High. Completion is a strength: graduation is 95.1% (state 92.0%) and dropout is 0.7% (state 1.1%). Chronic absenteeism is a weakness at 20.2%, above both the state (17.3%) and its own district (13.0%), though far below Central High (41.3%) and Hamilton High (73.6%).
Resources do not appear to be the main issue. Greenfield spends $15,505 per student — more than Whitnall High or Greendale High — and its student-teacher ratio of 14.2 matches Whitnall's. Subgroup results are uneven: Asian students rank at the 55th percentile (3 stars), and Hispanic and low-SES students sit near the 31st–36th percentile, but no group reaches high statewide levels. The bottom line: Greenfield High outperforms most nearby Milwaukee-area high schools, yet remains well below its suburban neighbors. Its strengths are graduation, low dropout, and social studies; the biggest concerns are math and science proficiency, attendance, and a persistently lower-quartile ranking.
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