Summary:
ZIP code 53021, covering Fredonia, Wisconsin, has exactly one public elementary school: Ozaukee Elementary, which serves students in grades PK through 5 and enrolls 344 students. It belongs to the Northern Ozaukee School District, which ranks 159 of 432 districts statewide — the 63rd percentile — and holds a 3-star rating. Because there is only one elementary school here, families effectively have a single option, and the good news is that it performs above the state average in most subjects.
Ozaukee Elementary's strongest results come in 4th-grade science and social studies. In 2025–26, science proficiency was 70.45% against a statewide 53.46%, and social studies was 79.55% against 65.51% statewide; the prior year was even higher, at 80.00% and 89.09%. ELA is solid across grades, with 5th grade at 73.33% versus 53.63% statewide in 2025–26 — nearly 20 points higher. Fifth-grade math also stood out at 70.00% versus 51.81% statewide. The school's best recent year was 2024–25, when it ranked 247 of 1,044 schools, placed in the 76th percentile, and earned 4 stars. In 2025–26 it ranked 333 of 1,039 — the 68th percentile — still above its 2023–24 result of 58th percentile.
The main academic watch point is lower-grade math. In 2025–26, 3rd-grade math was 49.09% versus 54.75% statewide, and 4th-grade math was 47.73% versus 52.87%. Following the same group of students a year earlier, their math proficiency fell from 65.85% to 47.73%, though student mobility and testing differences mean this is not an exact comparison. Attendance is a relative strength: chronic absenteeism was 12.3%, well below the state's 17.3%, but slightly above the district's 10.8%. Per-student spending is $12,427 with a student-teacher ratio of 13.5, and 27.91% of students qualify for free or reduced-price lunch.
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