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Arcadia Elem School
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 46 of every 100 students at this school read and write at grade level and about 38 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 23 points since 2023, while math scores are up about 20 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 36% of students here test proficient in math and reading, compared with the roughly 46% 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 Arcadia Elem School
Arcadia Elem School is a moderately sized K-5 school in Olympia Fields, Illinois, operated by Matteson ESD 162. The school instructs 516 students in grades K through 4. Enrollment runs roughly 35% bigger than the state mean of about 381.
Matteson ESD 162 runs 7 schools in total, collectively educating 2,405 students. Arcadia Elem School is one of those campuses.
On demographics, Arcadia Elem School reports that 87% of students identify as Black, making the school strongly Black-majority. Beyond that, the school shows 8% Hispanic, 4% multiracial. The wider county runs roughly 22% Black, putting the school's mix meaningfully more Black than the area baseline.
In terms of school funding signals, The school currently runs with 40 full-time-equivalent teachers, for a student-teacher ratio near 13.0:1. The state averages around 13.9:1, so this campus is tighter than the state norm typical. About 44% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. By comparison, Cook County runs at roughly 66%, so the school's eligibility rate is below the surrounding baseline.
Adjusting for the school's free-and-reduced-lunch share, Arcadia Elem School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 46.3%; this one delivers 36.1%.
In the area at large, ACS estimates for Cook County put median household earnings sit near $83,498, about 43% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 10%. Across Cook County's 1406 public schools (combined enrollment of about 697,934 students), Arcadia Elem School is one campus in the mix.
Nearest neighbor: Rich Township High School, around 0.5 miles off. Within five miles, there are 8 other public schools. On composite proficiency, Arcadia Elem School comes 4th of 9 in the immediate cluster, higher than the nearby-schools average of 30.7%.
The school occupies a residential site.
Trend over the last 7 years. Arcadia Elem School's enrollment has expanded 15% since 2018, when it stood at 448 (now 516). Class-load math has fell: from 14.7:1 in 2018 to 13.0:1 in 2025.
Within the allk12 community for this school, members of the Arcadia Elem School community share and discuss open house dates, ride-share offers, and field-trip permission slips. Posting is open to anyone connected to the school.
Cook County at a glance
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