Summary:
Zip code 61234 has two schools in Annawan CUSD 226: Annawan Grade School, serving PK–8, and Annawan High School, serving grades 9–12; together, they enroll 342 students. The clearest overall strength is at Grade School: in 2025–2026, its all-grades ELA proficiency was 78% versus 56% statewide, and math was 53% versus 40%. Its results were above the state in every reported, unsuppressed grade-level ELA and math result, making broad above-state performance—especially in ELA—the strongest finding for the area.
High School’s standout was science: 10th-grade PreACT Secure proficiency was 77%, 29 percentage points above the state, and ninth-grade proficiency was 73%, 26 points above. Its 10th-grade ELA was 77% versus 54% statewide, while math was 46% versus 36%. Results were less strong in other measures: 11th-grade ACT ELA was 61% versus 50%, and ACT science was 47.8% versus 47.9%, essentially level with the state. High School’s 2025–2026 graduation rate was 86%, 4 points below the state’s 90%.
Recent changes differ by school and subject. Grade School ELA rose from 76% to 78% between 2024–2025 and 2025–2026, but its lead over the state narrowed by 2 points; math rose from 52% to 53%, and its lead stayed nearly unchanged at 13 points. At High School, 10th-grade science jumped 38 points, from 39% to 77%, while 11th-grade ACT ELA fell 10 points, narrowing its state lead from 19 to 11 points. SchoolDigger gives both schools four stars: Grade School ranks 255 of 1,737 (85th percentile) and High School 83 of 620 (87th percentile); these are separate rankings, not a direct test-score comparison. For context, 2024–2025 student-teacher ratios were 12.6 at Grade School and 9.7 at High School, and the share free/reduced lunch eligible was 38% and 32%, respectively. Because the schools serve different grade spans, their results do not provide a like-for-like comparison.
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