Grissom Elem School
School pathway
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 55 of every 100 students at this school read and write at grade level and about 19 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are down about 1 points since 2023, while math scores have held steady.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 37% of students here test proficient in math and reading, compared with the roughly 27% 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 Grissom Elem School
Grissom Elem School, a cozy elementary school in Chicago, Illinois, overseen by Chicago Public Schools Dist 299, enrolls 287 students, covering grades pre-K through 8. Compared to the state average of about 381 students per school, that is 25% smaller than typical.
Chicago Public Schools Dist 299 comprises 622 schools with combined enrollment of 324,396 students; Grissom Elem School is among them.
In terms of who attends, Grissom Elem School lists that nearly all students (81%) are Hispanic. The remainder comes out to 12% Black, 7% White. The wider county runs roughly 27% Hispanic, putting the school's mix noticeably more Hispanic than the area baseline.
On the resource side, The school reports having 23 full-time-equivalent teachers, for a student-teacher ratio near 12.5:1. Statewide, the average ratio sits near 13.9:1, putting Grissom Elem School tighter than the state norm the norm. An estimated 77% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. By comparison, Cook County runs at roughly 66%, so the school's eligibility rate is somewhat above the surrounding baseline.
On a residual basis (actual vs predicted given the student mix), Grissom Elem School tracks the demographic baseline. The model predicts 27.3% given the school's FRL share; actual proficiency is 36.7%.
Around the school, ACS estimates for Cook County put median household earnings sit near $83,498, 43% of adults hold a bachelor's degree or higher, and the poverty rate sits near 10%. Across Cook County's 1406 public schools (combined enrollment of about 697,934 students), Grissom Elem School is one campus in the mix.
The closest other public school is Clay Elem School, roughly 0.7 miles away. Counting just inside five miles, 8 other public schools cluster around Grissom Elem School. Among the 9 schools in that immediate cluster with test data (this one included), Grissom Elem School ranks 2nd on composite proficiency, above the local average of 20.5%.
Grissom Elem School operates from an inner-city location.
Looking at the recent track record. Looking back 7 years, enrollment at Grissom Elem School has decreased 19%, going from 353 students in 2018 to 287 in 2025. White enrollment moved from 18% to 7% across the same window. The student-to-teacher ratio pulled in from 23.4:1 in 2018 to 12.5:1 today.
In the discussion threads here, members of the Grissom Elem School community share and discuss fundraisers, lost-and-found posts, and report-card season. Anyone with firsthand experience at this school can post or comment.
Cook County at a glance
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