Summary:
ZIP code 62865 has one high school, Zeigler-Royalton High School, serving grades 9–12 with 131 students. Because there is only one high school in the ZIP code, there is no local school-to-school comparison. The most notable finding is a sharp one-year improvement in grade 11 ACT results: ELA proficiency rose 33 points and science rose 27 points, putting both above Illinois results in 2025–2026.
Zeigler-Royalton is both the highest- and lowest-ranked school in this one-school group, so the useful comparisons are with Illinois. In 2025–2026, the school was above the state in three of six reported ELA and science results: grade 11 ELA was 59% versus 50% statewide, 10 points higher; grade 11 science was 50% versus 48%, 2 points higher; and grade 9 science was 53% versus 47%, 6 points higher. Its largest shortfall was grade 9 ELA: 58% versus 62%, 3 points lower. Other indicators are favorable: graduation was 96%, 7 points above the state, and chronic absenteeism was 21%, 2 points below it.
Recent results are mixed outside the grade 11 gains. Grade 9 and 10 science improved from the prior year, while ELA slipped slightly at both grades. SchoolDigger’s statewide percentile ranking also recovered, rising from 41 in 2023–2024 to 64 in 2025–2026 after dipping to 34 in 2024–2025. Context figures include a 7.4 student–teacher ratio in 2024–2025 and 57% free/reduced lunch eligible in 2024–2025; these describe the school but do not explain its results.
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