Hamilton High

Set in Sussex, Wisconsin, Hamilton High is a big 9-12 campus, part of Hamilton School District. It teaches 1,577 students across grades 9 through 12. Enrollment runs roughly 232% above the state mean of about 475.

Hamilton High is one of 8 schools operated by Hamilton School District, a district that hosts 5,131 students overall.

On demographics, Hamilton High shows that the largest single group is White, at 75% of enrollment. Beyond that, the school logs 9% Asian, 8% Hispanic, 4% multiracial, 3% Black. That is visibly less White than the county at large, where the share is closer to 87%.

On the income-and-resources front, The school employs 89 full-time-equivalent teachers, for a student-teacher ratio near 17.6:1. The state averages around 14.6:1, so this campus is higher than the state norm typical. Roughly 12% of students at Hamilton High qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

After controlling for student poverty, Hamilton High performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 70.0%, the actual is 74.1%, a residual of +4.1 points.

Around the school, census data for Waukesha County shows the typical household earns roughly $106,076 per year, roughly 49% of adults have completed at least a four-year degree, and roughly 3% of residents live below the federal poverty line. Hamilton High is one of 113 public schools in Waukesha County (combined enrollment of about 60,032 students).

The closest other public school is Templeton Middle, roughly 0.3 miles away. Counting just inside five miles, 8 other public schools cluster around Hamilton High. Among the 8 schools in that immediate cluster with test data (this one included), Hamilton High ranks 7th on composite proficiency, beneath the local average of 77.9%.

Hamilton High operates from a suburban location.

Trend over the last 7 years. Over the past 7-year window, the student count edged up 6%: 1,492 students in 2018 compared to 1,577 in 2025. Over the same period, the White share declined from 83% to 75%.

On allk12, posts here usually surface around sports schedules, lunch menu changes, and school spirit week. Posting is open to anyone connected to the school.