Community prompt from u/allk12. Replies below.
Thayer J Hill Middle School
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 68 of every 100 students at this school read and write at grade level and about 49 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 11 points since 2023, while math scores are up about 4 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 60% of students here test proficient in math and reading, compared with the roughly 57% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Thayer J Hill Middle School
As a large middle-grades school in Naperville, Illinois, Thayer J Hill Middle School educates 828 students from grades 6 through 8, overseen by Indian Prairie CUSD 204. By comparison, Illinois's public schools average about 462 students each, so Thayer J Hill Middle School sits 79% larger than that benchmark.
Across the 32 schools in Indian Prairie CUSD 204 (26,108 students total), Thayer J Hill Middle School accounts for its share of the district's footprint.
Looking at the student body, Thayer J Hill Middle School records that the most-represented group is Asian (32%), with the rest of the student body spread across multiple groups; the rest breaks down as 30% White, 18% Black, 15% Hispanic, 5% multiracial. By comparison, DuPage County as a whole is about 13% Asian, so the school skews visibly more Asian than its surroundings.
On the resource side, Staff filings list 59 full-time-equivalent teachers, which works out to roughly 14.1:1 students per teacher. Statewide, the average ratio sits near 13.0:1, putting Thayer J Hill Middle School higher than the state norm the norm. About 25% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is noticeably below DuPage County's rate of about 34%.
On a residual basis (actual vs predicted given the student mix), Thayer J Hill Middle School tracks the demographic baseline. The model predicts 56.9% given the school's FRL share; actual proficiency is 59.7%.
In the broader community, ACS estimates for DuPage County put the typical household earns roughly $112,096 per year, about 52% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 5%. In all, DuPage County runs 277 public schools (combined enrollment of about 138,557 students), of which Thayer J Hill Middle School is one.
Brookdale Elementary School is the nearest neighboring public school, about 0.4 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 8 schools in that immediate cluster with test data (this one included), Thayer J Hill Middle School ranks 7th on composite proficiency, below the local average of 62.7%.
Geographically, the school is in a city-core area.
Over the past 7-year window. Over the past 7-year window, the student count contracted 8%: 899 students in 2018 compared to 828 in 2025. White enrollment moved from 43% to 30% across the same window.
Within the allk12 community for this school, recent activity here tends to focus on science fair prep, picture-day reminders, and bus-route questions. Posting is open to anyone connected to the school.
DuPage County at a glance
View full county profileQuick facts
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