Summary:
The Oconomowoc Area School District in Wisconsin includes two middle schools serving grades 5–8 — Nature Hill Intermediate (enrollment 750) and Silver Lake Intermediate (enrollment 633) — within a district that ranks 36th of 432 statewide, at the 92nd percentile with 5 stars.
Silver Lake Intermediate is the clear standout. It ranked 33rd of 643 schools in 2025–26 (95th percentile, 5 stars) and has held a 5-star rating for three straight years, moving from 48th of 641 and 49th of 628 in the two prior years. It outperformed Nature Hill in 19 of 20 test comparisons, beat the district in 19 of 20 cells, and beat the state in all 20. Its best 2025–26 results include 8th grade Social Studies at 84.47, 8th grade Math at 83.75 and 7th grade Math at 82.42. Its chronic absenteeism is 8.9% and its dropout rate 0.0%. Notably, Silver Lake posts these results with a higher free/reduced lunch rate (18.8% vs. 16.67%) and higher per-pupil spending ($14,829 vs. $13,827).
Nature Hill Intermediate is solid and improving fast: it climbed from rank 177 of 641 (72nd percentile) to 84 of 643 (87th percentile) in 2025–26, and its composite proficiency rose from 67.7% to 72.5%. It beat the state in 19 of 20 cells, but beat the district in only 1 of 20 — 2025–26 6th grade ELA, where it scored 78.65, topping both the district (76.87) and Silver Lake (74.42). Its chronic absenteeism is 9.8% and dropout rate 0.0%, both well below district and state averages. At both schools, math is the strongest subject and science the relative weak spot.
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