Summary:
ZIP code 62670 has one high school, New Berlin High School, serving grades 9–12 with 256 students. Its 2025–2026 test results were above Illinois’ in eight of nine subject-and-grade comparisons, making its overall performance relative to the state the clearest finding for families.
Within this one-school area, the strongest result was grade 9 science: 68% of students met the standard, compared with 47% statewide, a 21-point advantage. Grade 11 English language arts was another standout, at 67% versus 50% statewide, a 17-point advantage. The weakest comparison was grade 11 mathematics, where 39% met the standard versus 40% statewide, about 1 point lower. Averaged across the three grades and subjects, English language arts had the largest state advantage at 11 points, followed by science at 10 and mathematics at 5. There is no local peer comparison because the area’s list contains just this school.
Results improved relative to the state overall: the average gap across the nine comparisons shifted from 1 point below the state in 2024–2025 to 9 points above it in 2025–2026. Progress was uneven, though: grade 10 science fell 11 points, and its advantage over the state narrowed from 12 points to 2; grade 9 science rose 29 points. SchoolDigger gives the school 4 stars and ranks it 131st of 620 Illinois schools, in the 79th percentile; its prior rank was 243rd of 698, in the 65th percentile. The school’s graduation rate was 90%, compared with 90% statewide, while chronic absenteeism was 18%, below the state’s 24% but above the New Berlin CUSD 16 rate of 13%. Context figures include a 12.9:1 student–teacher ratio and 26% free/reduced lunch eligible in 2024–2025.
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