Summary:
ZIP code 54547 has just one school: Mercer School, a PK–12 campus at 2690W Margaret St in Mercer, Wisconsin, and the only school in the Mercer School District. The area summary labels this ZIP as having one "alternative" school and zero elementary, middle, or high schools, but that classification hides what is actually there — a comprehensive community school serving every grade level, with 92 students. Because it is the district's only school, every district figure equals the school figure, so the useful benchmark is the Wisconsin statewide average.
Academically, Mercer performs above the state in the large majority of test rows — 14 of 16 across the 2024–25 and 2025–26 Forward Exams. Standouts include grade 8 science (83.33% proficient in 2024–25 versus a state rate of 50.04%), grade 10 social studies (75% in 2025–26 and 66.67% in 2024–25, against state rates near 48%), and grade 5 English language arts (87.5% versus 51.26%). Two results buck that trend, and both are large: grade 8 mathematics fell to 22.22% in 2025–26 (state: 53.67%), and grade 7 ELA was 30% in 2024–25 (state: 53.59%). These read as cohort-specific weak spots rather than a school-wide pattern.
On climate and resources, the graduation rate is 100% and the dropout rate 0.0%, versus 92.0% and 1.1% statewide — genuinely strong, though with a very small graduating class. Chronic absenteeism is the clearest weakness at 22.0%, above the state's 17.3%. Spending is $35,814 per student, with a 5.7:1 student–teacher ratio and 48.91% of students qualifying for free or reduced lunch. One caveat matters above all: with 92 students, nearly every number here is a fraction of a few children, so one or two students can shift a grade-level result by 10–15 points. Read the year-to-year swings as suggestive, not conclusive.
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