Thomas Jefferson Elem School
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 36 of every 100 students at this school read and write at grade level and about 35 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 15 points since 2023, while math scores are up about 14 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 31% of students here test proficient in math and reading, well above the roughly 17% 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 14 points, placing it in Illinois's top 10%.
7-year change
SY 2017-18 vs SY 2024-25About Thomas Jefferson Elem School
Thomas Jefferson Elem School is an elementary campus of tight-knit scale in Joliet, Illinois, part of Joliet PSD 86, enrolling 235 students in grades K through 5. Compared to the state average of about 381 students per school, that is 38% leaner than typical.
Across the 20 schools in Joliet PSD 86 (9,333 students total), Thomas Jefferson Elem School accounts for its share of the district's footprint.
Demographically, Thomas Jefferson Elem School shows that the largest single group is Hispanic, at 56% of enrollment; the rest reads as 20% Black, 16% White, 7% multiracial. By comparison, Will County as a whole is about 20% Hispanic, so the school skews visibly more Hispanic than its surroundings.
On the income-and-resources front, The school reports having 28 full-time-equivalent teachers, for a student-teacher ratio near 8.5:1. Statewide, the average ratio sits near 13.9:1, putting Thomas Jefferson Elem School tighter than the state norm the norm. Around 94% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy. That share is higher than Will County's rate of about 44%.
Adjusting for the school's free-and-reduced-lunch share, Thomas Jefferson Elem 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 17.2%; this one delivers 31.4%, a residual of +14.2 points.
In the broader community, ACS estimates for Will County put median household earnings sit near $109,984, about 38% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 6%. Across Will County's 209 public schools (combined enrollment of about 113,008 students), Thomas Jefferson Elem School is one campus in the mix.
The closest other public school is Carl Sandburg Elementary, roughly 1.0 miles away. Within five miles, there are 8 other public schools. Among the 8 schools in that immediate cluster with test data (this one included), Thomas Jefferson Elem School ranks 3rd on composite proficiency, ahead of the local average of 24.7%.
The school occupies an outer-ring site.
Over the past 7-year window. Thomas Jefferson Elem School's enrollment has shrank 48% since 2018, when it stood at 456 (now 235). The Hispanic share of enrollment edged down from 67% to 56% over that span. The student-to-teacher ratio pulled in from 15.5:1 in 2018 to 8.5:1 today.
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Will County at a glance
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