Summary:
Amboy CUSD 272 serves 722 students across three schools spanning prekindergarten through grade 12: Amboy Central Elementary School (PK–4), Amboy Junior High School (grades 5–8), and Amboy High School (grades 9–12). The clearest overall finding is that both schools with IAR results are above state averages in all-grade ELA and math, but results vary sharply by grade and subject.
Amboy Central Elementary School stands out in third grade: ELA was 70%, 22 points above the state, and math was 65%, 16 points above. At Amboy Junior High School, eighth-grade ELA was 78%, 15 points above the state, while seventh-grade math was 58%, 18 points above. The weaker results are also worth noting: fourth-grade math at Central was 11 points below the state, and junior-high eighth-grade science was 12 points below. Amboy High School has mixed results: grade 10 PreACT math was 25%, 11 points below the state, while graduation was 96%, 6 points above. Its science results were above state in both PreACT grades and just above state on the ACT.
Results have changed substantially: junior-high all-grade IAR ELA rose 16 points and math rose 6 points from 2024–25 to 2025–26; high-school ACT results rose 30 points in ELA, 25 in math, and 36 in science. Central’s ELA improved 7 points, but its all-grade math fell 14 points. SchoolDigger gives all three schools three stars; its 2025–26 statewide rankings are the 59th percentile for Central, 57th for junior high, and 59th for high school. For context, 2024–25 student-teacher ratios were 13.1, 12.0, and 11.1, respectively. Free/reduced lunch eligible shares in school year 2024–25 were 49% at Central, 47% at junior high, and 38% at high school; these figures do not explain the differing results.
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