Summary:
ZIP code 61087 has one high-school-level listing: Warren Junior/Senior High School, serving grades 6–12 and enrolling 191 students. With only one school, families cannot compare schools within the ZIP code, but they can compare Warren’s results with state figures and its own results over time. The clearest strength is that Warren is well above Illinois in ELA and science, while its all-grades math result is only slightly higher than the state’s.
Warren’s strongest 2025–26 results were in 8th-grade science and all-grades ELA: science proficiency was 85%, versus 52% statewide, a 33-point advantage; ELA was 79%, versus 56%, a 22-point advantage. Math was closer to the state, at 43% versus 40%, or 3 points higher. There is no second local school to identify as a top or bottom performer. Other measures are positive relative to the state: graduation was 95% versus 90%, and chronic absenteeism was 14% versus 24%. Absenteeism was, however, 3 points higher than the district’s 11%.
Results improved from 2024–25 to 2025–26 across the matched IAR and 8th-grade ISA measures: ELA rose 7 points, math 3 points, and science 19 points, each a greater increase than the state’s. Grade 9 PreACT Secure science also climbed 28 points, from 37% to 65%, while grade 10 stayed at 50% in both years, so gains were not uniform across grades. SchoolDigger’s ranking moved from 364th of 697 schools (48th percentile) in 2023–24 to 150th of 620 (76th percentile) in 2025–26. Warren’s student–teacher ratio was 10.6 in 2024–25, and 50% of students were eligible for free or reduced-price lunch that year; these are contextual figures, not explanations for results.
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