Summary:
Cambridge CUSD 227 has one high school in this list, Cambridge Junior/Senior High School, serving grades 6–12 and enrolling 237 students. Its 2025–26 results are above Illinois rates in every reported IAR, ISA, and PreACT comparison, while grade 11 ACT results are mixed. The most important finding is that the school’s all-grade IAR results are substantially above state rates in both subjects: 71% versus 56% in English language arts and 53% versus 40% in mathematics.
Because it is the only school listed, Cambridge Junior/Senior High School is both the highest and lowest listed school by default; there are no peer schools to compare. Its strongest grade-level advantages are in IAR mathematics, where it is 20 points ahead of Illinois in grade 6 and 22 points ahead in grade 7. The advantage is less consistent in grade 11 ACT: the school is 7 points below the state in English language arts and 7 points below in mathematics, but 9 points above in science. SchoolDigger gives the school a 4-star rating.
All-grade IAR results improved from 2024–25 to 2025–26: English language arts rose 10 points and mathematics rose 9 points, while state results gained 3 points and 1 point, respectively. SchoolDigger’s reported rank also improved, from 296 of 697 schools in 2023–24 to 168 of 620 in 2025–26, and its percentile rose from 58 to 73; the ranking pools changed between years. Other useful context: chronic absenteeism is 12%, 11 points below the state, and graduation is 89%, 1 point below. The school’s reported low-income measure was 48% free/reduced lunch eligible in 2024–25, and its student-teacher ratio was 11.2 that year.
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