Summary:
The middle-school list for Mundelein Education Service District 75 contains one school, Carl Sandburg Middle School, serving grades 6–8 and enrolling 529 students. In 2025–2026, its all-grades ELA proficiency was 60%, above Illinois’ 56% by 4 points, while math proficiency was 34%, 5 points below the state’s 40%; grade 8 science proficiency was 41%, 11 points below the state’s 52%. The clearest overall takeaway is that ELA is the school’s strongest subject relative to the state, while grade 8 science has the largest gap.
Because it is the only school listed, Carl Sandburg is technically both the area’s top and bottom school, but that does not provide a meaningful comparison among local schools. Its grade-level results show why the overall figures do not tell the whole story: ELA was 8 points above the state in grade 6 and 1 point above in grade 7, but 7 points below in grade 8. Math was 5 points below the state in grade 6, 3 points above in grade 7, and 6 points below in grade 8.
Results improved relative to the state in ELA and math but moved the other way in science between 2024–2025 and 2025–2026. ELA rose from 52% to 60%, moving from 1 point below the state to 4 points above; math rose from 32% to 34%, narrowing its state gap from 7 points to 5. Grade 8 science fell from 45% to 41% as the state result rose from 45% to 52%, widening the school’s shortfall to 11 points. SchoolDigger ranked the school 657th of 1,126 schools, in the 42nd percentile with 2 stars in 2025–2026; it was in the 58th percentile in 2024–2025 and 61st in 2023–2024. Other context: the student–teacher ratio was 12.1:1 in 2024–2025, and 41% of students were free/reduced lunch eligible that year. Chronic absenteeism was 22% in 2025–2026, 2 points below the state but 4 points above the district.
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