Komensky Elem School
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 37 of every 100 students at this school read and write at grade level and about 31 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 9 points since 2023, while math scores are up about 17 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 30% of students here test proficient in math and reading, compared with the roughly 22% 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 Komensky Elem School
Set in Berwyn, Illinois, Komensky Elem School is a tight-knit primary school, overseen by Berwyn South SD 100. It enrolls 320 students across grades pre-K through 5.
Berwyn South SD 100 comprises 8 schools with combined enrollment of 3,050 students; Komensky Elem School is among them.
On demographics, Komensky Elem School shows that nearly all students (90%) are Hispanic; the rest consists of 5% Black, 3% White, 2% multiracial. That is visibly more Hispanic than the county at large, where the share is closer to 27%.
Looking at the economic backdrop, On paper, Komensky Elem School has 29 full-time-equivalent teachers, translating to a class-load average of around 10.9:1. That figure is tighter than the state norm's 13.9:1 average. Roughly 86% of students at Komensky Elem School qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Cook County runs at roughly 66%, so the school's eligibility rate is above the surrounding baseline.
With demographic context factored in, Komensky Elem School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 22.1%, the actual is 29.9%, a residual of +7.9 points.
Across the wider county, Cook County reports that median household income runs about $83,498, roughly 43% of adults have completed at least a four-year degree, and roughly 10% of residents live below the federal poverty line. Across Cook County's 1406 public schools (combined enrollment of about 697,934 students), Komensky Elem School is one campus in the mix.
Hiawatha Elem School is the nearest neighboring public school, about 0.3 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Komensky Elem School comes 5th of 9 in the immediate cluster, behind the nearby-schools average of 32.0%.
The campus sits in an outer-ring setting.
Five-year trend. Over the past 7-year window, the student count shrank 24%: 423 students in 2018 compared to 320 in 2025.
On this page, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.
Cook County at a glance
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