Summary:
Heritage Middle School is the only middle school listed in Summit School District 104, serving grades 6–8 and enrolling 447 students. In 2025–2026, its all-grades proficiency was 48% in English language arts (ELA) and 29% in math, compared with 56% and 40% statewide. The most important finding is the sharp grade-level split: eighth-grade results were above Illinois in both tested subjects, while seventh-grade results were well below.
With just one school, there is no local top-to-bottom comparison; differences across grades are more useful for families. In ELA, eighth grade reached 73% proficiency, 10 points above Illinois, while seventh grade was 28%, 29 points below; sixth grade was 46%, 13 points below. Math showed a similar pattern: eighth grade was 41%, 6 points above the state, while seventh grade was 23%, 17 points below, and sixth grade was 26%, 11 points below. Eighth-grade science was another bright spot: 53% proficiency, 2 points above Illinois.
All-grades ELA and math improved from 2024–2025 to 2025–2026, rising by 6 and 3 percentage points, respectively, and their gaps with the state narrowed, though both remained below Illinois. Eighth-grade science rose by 19 points, from 35% to 53%, while the state increased by 7 points. SchoolDigger ranked Heritage at the 39th percentile in 2023–2024, 44th in 2024–2025, and 34th in 2025–2026, and gave it 2 stars each year. Context figures include a 10.9:1 student-teacher ratio in 2024–2025 and all students receive free meals through Community Eligibility (CEP) that year. Chronic absenteeism was 17% in 2025–2026, below the district’s 18% and Illinois’ 24%.
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