Summary:
Zip code 60504 has one listed high school, Waubonsie Valley High School, serving grades 9–12 with 2,849 students. The clearest finding for families is that in 2025–26 it scored above Illinois in all nine reported subject-and-grade comparisons, but below its district in all nine.
There is no top or bottom school to compare within the zip code because only one high school is listed. Against Illinois, Waubonsie Valley’s results were higher by 14 to 20 percentage points; its largest leads were in grade 11 ACT ELA and grade 10 PreACT science, each about 20 points. But the school was 3 to 8 points below Indian Prairie CUSD 204 across the same comparisons. Its average advantage over the state was about 18 points in ELA, 18 in mathematics, and 17 in science.
Scores declined overall, though the school stayed above the state in every matched comparison in both years: its average across the nine results fell from 67% in 2024–25 to 65% in 2025–26, and its average lead over Illinois narrowed by about 2 points. Mathematics’ lead narrowed more, from 22 points to 18. SchoolDigger’s ranking also moved down, from 36th of 697 schools (95th percentile) in 2023–24 to 57th of 620 (91st percentile) in 2025–26. Completion measures were favorable: the 2025–26 graduation rate was 94%, 4 points above Illinois and 1 point above the district. Attendance is a concern relative to the district: chronic absenteeism was 23%, 9 points higher than the district, though 1 point below the state. The school reported a 15.8 student–teacher ratio and 20% free/reduced lunch eligible in 2024–25; these are context figures, not evidence of what drives results.
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