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Kennedy Junior High School
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 90 of every 100 students at this school read and write at grade level and about 78 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 3 points since 2023, while math scores are up about 6 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 84% of students here test proficient in math and reading, well above the roughly 65% typical for Illinois schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 19 points, placing it in Illinois's top 10%.
7-year change
SY 2017-18 vs SY 2024-25About Kennedy Junior High School
Kennedy Junior High School is a large intermediate school in Lisle, Illinois, part of Naperville CUSD 203. The school educates 937 students in grades 6 through 8. That puts it 103% above the typical public school in Illinois, which averages around 462 students.
Kennedy Junior High School is one of 22 schools operated by Naperville CUSD 203, a district that teaches 16,047 students overall.
For racial and ethnic makeup, Kennedy Junior High School records that the largest single group is White at 42%, but no single group is in the majority. Other groups include 42% Asian, 7% multiracial, 7% Hispanic, 2% Black. The wider county runs roughly 65% White, putting the school's mix noticeably less White than the area baseline.
Looking at school resources, Kennedy Junior High School reports 66 full-time-equivalent teachers, putting the student-to-teacher ratio at about 14.2:1. That figure is higher than the state norm's 13.0:1 average. An estimated 11% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is south of DuPage County's rate of about 34%.
Adjusting for the school's free-and-reduced-lunch share, Kennedy Junior High School is in the OUTPERFORMING tier of the BeatsExpectations model, which fits a per-state line through proficiency and FRL share. Schools with this campus's poverty mix typically land near 65.1%; this one delivers 84.0%, a residual of +18.9 points.
Around the school, census data for DuPage County shows median household income runs about $112,096, about 52% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 5%. In all, DuPage County runs 277 public schools (combined enrollment of about 138,557 students), of which Kennedy Junior High School is one.
Nearest neighbor: Ann Reid Early Childhood Center, around 0.4 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Kennedy Junior High School comes 4th of 8 in the immediate cluster, above the nearby-schools average of 80.6%.
The school occupies a residential site.
Five-year trend. Kennedy Junior High School's enrollment has fell 4% since 2018, when it stood at 980 (now 937). White enrollment moved from 55% to 42% across the same window. The student-to-teacher ratio narrowed from 15.8:1 in 2018 to 14.2:1 today.
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DuPage County at a glance
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