Summary:
High schools in ZIP code 60506 include two schools: West Aurora High School serves grades 9–12 and lists 3,641 students, while the Illinois Mathematics and Science Academy serves grades 10–12 and lists 656. The most important finding for families is the substantial difference in their results on comparable tests.
IMSA stands out at the top: in 2025–26, its proficiency was about 98% to 100% in all three subjects on both the 11th-grade ACT and 10th-grade PreACT Secure. West Aurora was lower in every like-for-like comparison, with results from 22% to 38%; IMSA’s lead was 61–70 percentage points on the ACT and 65–77 points on the PreACT. Compared with Illinois results, West Aurora was 11–19 points lower across those six comparisons, while IMSA was 46–63 points higher. West Aurora’s separate 9th-grade PreACT results were also below the state in all subjects, by 8–11 points.
Recent trends diverged: from 2024–25 to 2025–26, West Aurora’s results fell in four of six matched comparisons, with declines of 7 points in ACT ELA, 9 in PreACT ELA, 4 in PreACT math and 12 in PreACT science; ACT math and science each rose by about 1 point. IMSA stayed near the top of the scale, with changes ranging from a 1-point decline to increases of up to 2 points. SchoolDigger ranked IMSA #1 in Illinois in both years; West Aurora’s SchoolDigger percentile fell from 44th in 2023–24 to 26th in 2025–26. In 2024–25, student–teacher ratios were 16.1 at West Aurora and 20.5 at IMSA; West Aurora reported 50% free/reduced lunch eligible that year, while IMSA had no reported low-income measure. IMSA has no 9th-grade result for comparison, and the schools’ income measures are not shared across both.
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