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Concord 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 68 of every 100 students at this school read and write at grade level and about 69 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 17 points since 2023, while math scores are up about 14 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 65% of students here test proficient in math and reading, compared with the roughly 59% 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 Concord Elem School
Concord Elem School is an elementary school of moderately sized scale in Darien, Illinois, run under Cass SD 63, teacheing 460 students in grades pre-K through 4. Compared to the state average of about 381 students per school, that is 21% larger than typical.
Cass SD 63 comprises 2 schools with combined enrollment of 773 students; Concord Elem School is among them.
In terms of who attends, Concord Elem School shows that the largest single group is White, at 67% of enrollment. The remainder reads as 17% Asian, 5% multiracial, 5% Hispanic, 4% Black. That mix tracks the wider county fairly closely.
On the income-and-resources front, Concord Elem School records 37 full-time-equivalent teachers, putting the student-to-teacher ratio at about 12.3:1. The state averages around 13.9:1, so this campus is tighter than the state norm typical. Roughly 22% of students at Concord Elem School qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, DuPage County runs at roughly 34%, so the school's eligibility rate is meaningfully below the surrounding baseline.
With demographic context factored in, Concord Elem School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 58.7%; this one delivers 64.8%.
In the broader community, ACS estimates for DuPage County put median household earnings sit near $112,096, 52% of adults hold a bachelor's degree or higher, and the poverty rate sits near 5%. Concord Elem School is one of 277 public schools in DuPage County (combined enrollment of about 138,557 students).
Nearest neighbor: Cass Jr High School, around 0.8 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 5 schools in that immediate cluster with test data (this one included), Concord Elem School ranks 1st on composite proficiency, above the local average of 54.2%.
Concord Elem School operates from a commuter-belt location.
Over the past 7-year window. Looking back 7 years, enrollment at Concord Elem School has held roughly steady, going from 462 students in 2018 to 460 in 2025. The Hispanic share of enrollment declined from 12% to 5% over that span. Class-load math has tightened: from 14.2:1 in 2018 to 12.3:1 in 2025.
In the discussion threads here, the page collects discussion, questions, and updates around pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.
DuPage County at a glance
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Related schools
- Hinsdale South High SchoolHigh · 1,370 students
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- Cass Jr High SchoolMiddle · 313 students
- Cass Jr High School0.8 mi · 313
- Lace Elem School0.8 mi · 377
- Eisenhower Jr High School0.9 mi · 407
- Gower West Elem School0.9 mi · 531
- Elizabeth Ide Elem School1.2 mi · 410
- Hinsdale South High School1.3 mi · 1,370