Summary:
ZIP code 53089 has one public high school, Hamilton High, serving grades 9–12 in Sussex, Wisconsin, as part of Hamilton School District. The school enrolls 1,577 students, and its district is ranked 11th of 432 Wisconsin districts, in the 97th percentile with 5 stars. Because this ZIP code has only one high school, the information below is a detailed profile of Hamilton High rather than a comparison among local high schools.
Hamilton High is a consistently elite, 5-star school. Its 2025–2026 rank is 13th of 533 Wisconsin high schools, in the 98th percentile; in 2024–2025 it ranked 18th of 431, and in 2023–2024 it ranked 15th of 431. Academic proficiency is far above the state. In 2025–2026, Social Studies proficiency was 78.42 versus 48.25 for the state, English Language Arts was 75.14 versus 48.47, Mathematics was 67.92 versus 42.93, and Science was 71.10 versus 43.20. Those gaps range from +24.99 to +30.17 percentage points. Every tested subject improved from 2024–2025 to 2025–2026: Social Studies +1.31, ELA +1.74, Mathematics +3.03, and Science +4.61.
Outcomes and attendance are also strong. The 2024–2025 graduation rate is 98.5%, compared with 92.0% statewide, and the dropout rate is 0.2%, well below the state’s 1.1%. Chronic absenteeism is 7.8%, much lower than Wisconsin’s 17.3%, though higher than the district’s 5.9%. Additional context: 12.49% of students qualify for free/reduced lunch, spending per student is $14,504, and the student-teacher ratio is 17.6. Overall, Hamilton High stands out as a top-tier Wisconsin high school with exceptionally strong test proficiency, graduation, and attendance relative to the state.
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