Summary:
The Slinger School District in Wisconsin serves elementary students at three PK–5 schools — Slinger Elementary in Slinger, Addison Elementary in Hartford, and Allenton Elementary in Allenton — with a combined enrollment of 1,429 students and an average school size of about 476. All three belong to a district ranked #19 of 432 in the state (96th percentile, 5 stars).
Slinger Elementary is the standout: ranked #13 of 1,039 Wisconsin elementary schools (99th percentile, 5 stars) and averaging 85.2% proficiency across all eight tested grade/subject results, versus 80.6% for the district and 54.8% statewide. It leads the group in ELA (81.8%) and 4th grade Science (86.0%), which jumped 21.2 points in a year. Allenton Elementary (#54, 95th percentile) is the math leader, with an 89.8% math average and all three tested math grades above 86% — achieved on the lowest per-pupil spending in the group ($12,091). Addison Elementary (#136, 87th percentile) has climbed steadily in rank (173 → 172 → 136) and posts the lowest chronic absenteeism (0.5%), but the lowest all-subject average (74.0%); its 4th grade Science score of 57.97% is the lowest in the data set, still about 4.5 points above the state.
For parents, the big picture is that every school here outperforms the state in every tested subject, usually by 15–40 points, and chronic absenteeism (0.5%, 0.8%, and 1.6%) is a fraction of the state's 17.3%. Staffing ratios (16.2–16.6 students per teacher) and per-pupil spending ($12,091–$12,761) are nearly identical across the three, so the 11-point proficiency gap between the top and bottom school points to factors beyond class size or funding. Notably, the school serving the largest share of economically disadvantaged students posts the strongest results, while the most demographically advantaged school has the lower scores — with small grade-level cohorts, these are patterns worth investigating rather than firm conclusions.
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