Theisen Middle

Theisen Middle operates as a medium-sized middle school in Fond du Lac, Wisconsin, run under Fond du Lac School District. Current enrollment sits at 431 students spanning grades 6 through 8.

Fond du Lac School District comprises 15 schools with combined enrollment of 6,457 students; Theisen Middle is among them.

In terms of who attends, Theisen Middle records that 64% of the student body identifies as White. Beyond that, the school reports 17% Hispanic, 8% Black, 7% multiracial, 3% Asian. The wider county runs roughly 88% White, putting the school's mix considerably less White than the area baseline.

In terms of school funding signals, Theisen Middle records 34 full-time-equivalent teachers, putting the student-to-teacher ratio at about 12.8:1. The state averages about 12.8:1, putting this campus right in line with peers. About 45% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

On a residual basis (actual vs predicted given the student mix), Theisen Middle performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 50.3%, the actual is 57.4%, a residual of +7.0 points.

In the surrounding community, census data for Fond du Lac County shows median household earnings sit near $74,275, 22% of adults hold a bachelor's degree or higher, and roughly 6% of residents live below the federal poverty line. Across Fond du Lac County's 42 public schools (combined enrollment of about 13,230 students), Theisen Middle is one campus in the mix.

Nearest neighbor: Pier Elementary, around 0.4 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 9 schools in that immediate cluster with test data (this one included), Theisen Middle ranks 3rd on composite proficiency, above the local average of 50.6%.

The school occupies a downtown site.

Five-year trend. Looking back 7 years, enrollment at Theisen Middle has contracted 13%, going from 493 students in 2018 to 431 in 2025. Over the same period, the White share edged down from 78% to 64%. Class-load math has pulled in: from 14.7:1 in 2018 to 12.8:1 in 2025.

On this page, recent activity here tends to focus on sports schedules, lunch menu changes, and school spirit week. Posting is open to anyone connected to the school.