Summary:
ZIP code 53036 in Ixonia, Wisconsin is served by a single public school: Ixonia Elementary, a PK–4 building of 256 students in the Oconomowoc Area School District, which means families here have one elementary option and must look to other buildings or districts for grades 5–12.
By state standards, this is a strong school. Across all 12 school-versus-state test comparisons spanning two years, Ixonia Elementary exceeds the Wisconsin average every time, with margins from +2.0 points (4th grade math) to +19.1 points (4th grade science) in 2025-26. Its strengths are science and social studies — 72.55% and 74.51% proficient in 2025-26, both well above the state. The weaker spot is mathematics, and 4th grade math in particular: at 54.90% proficient it is just 2.0 points above the state and 22.6 points below the district, the widest gap in the data. Against its own district, the school trails in 10 of 12 comparisons, though the district itself is elite — the Oconomowoc Area School District ranks 36th of 432 districts statewide with a 5-star rating.
Two trends are worth watching. First, the school's average proficiency slipped 2.8 points year over year while the district gained 1.7 and the state gained 0.8, matching a three-year ranking slide from the 84th to the 70th percentile. Second, and more encouraging, chronic absenteeism is just 3.5%, compared with 11.5% in the district and 17.3% statewide — roughly one-third and one-fifth of those rates. Class sizes are small (13:1), spending is $15,475 per student, and 17.19% of students qualify for free/reduced lunch. In short: excellent attendance, resources, and science results, with 4th grade math the clearest area to watch.
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