Summary:
Delavan, Wisconsin has two public high schools, both part of the Delavan-Darien School District and both serving grades 9 through 12: Delavan-Darien High, with 511 students, and the much smaller Delavan Darien Technical School Inc, with 93 students. Together they enroll about 604 students.
On state rankings, Delavan-Darien High is the stronger of the two. For 2025–2026 it ranked 418 of 533 schools (22nd percentile, 1 star), while the Technical School ranked 493 of 533 (8th percentile, 0 stars). The district as a whole ranked 412 of 432 districts with 0 stars. In every tested subject for 2025–2026, Delavan-Darien High outperformed the Technical School: Social Studies 43.01% vs 14.81%, English Language Arts 29.08% vs 5.88%, Mathematics 28.37% vs 11.76%, and Science 28.37% vs 17.65%. Both schools scored below the state in all four subjects, and the Technical School's gaps were far wider — more than 40 percentage points in ELA. Social Studies improved at both schools compared with the prior year.
Completion and attendance tell a different story. Graduation rates exceed the state's 92.0% at both schools (96.8% and 93.3%), and dropout rates are near zero. The Technical School has lower chronic absenteeism (11.5%) than both the district (13.1%) and the state (17.3%), while Delavan-Darien High's is 17.5%. Economic need is similar at both (free/reduced lunch at 54.21% and 56.99%), yet Delavan-Darien High spends $19,628 per student versus $5,950 and has a lower student-teacher ratio (13.5 vs 23.8). The Technical School's small enrollment means its percentages can shift more from year to year.
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