Summary:
High schools in ZIP code 61021 include one school, Dixon High School, serving grades 9–12 and enrolling 760 students. Its 2025–2026 graduation rate was 90.3%, slightly above Illinois’ 89.8%, but chronic absenteeism was higher: 34% compared with 24% statewide. Most importantly, Dixon’s proficiency was below the state in all nine reported subject, grade and test results, averaging 37% compared with 47% statewide—a gap of 11 points.
There are no separate top- and bottom-performing schools in this area because Dixon is the only one listed. Within Dixon’s results, grade 11 ACT ELA was closest to the state: 47% proficient versus 50%, a 3-point gap. Grade 10 PreACT Secure science had the largest shortfall, at 30% versus 48%, or 19 points. The graduation result is a positive counterpoint, while the school’s dropout rate was 3% compared with 2% statewide. Because this is the only listed school, families cannot compare its results with another local high school.
Results changed unevenly from 2024–2025 to 2025–2026. Grade 9 science improved the most, rising from 29% to 38% (an 8-point increase), while grade 9 ELA fell from 55% to 47% (an 8-point decrease). Science remains a notable concern, though its average state gap narrowed from 17 points to 12. SchoolDigger’s ranking percentile declined from 48 in 2023–2024 to 37 and then 28 in 2025–2026, even as Dixon’s average test-score gap narrowed slightly. For context, the reported student-teacher ratio was 17.2 in 2024–2025, and 44% of students were free/reduced lunch eligible that school year.
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