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Dulles 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 14 of every 100 students at this school read and write at grade level and about 4 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 7 points since 2023, while math scores are up about 3 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 9% of students here test proficient in math and reading, compared with the roughly 16% 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 Dulles Elem School
Dulles Elem School, a well-populated elementary school in Chicago, Illinois, part of Chicago Public Schools Dist 299, works with 651 students, covering grades pre-K through 8. By comparison, Illinois's public schools average about 381 students each, so Dulles Elem School sits 71% bigger than that benchmark.
Chicago Public Schools Dist 299 comprises 622 schools with combined enrollment of 324,396 students; Dulles Elem School is among them.
Demographically, Dulles Elem School records that nearly all students (94%) are Black. Beyond that, the school lists 6% Hispanic. By comparison, Cook County as a whole is about 22% Black, so the school skews meaningfully more Black than its surroundings.
Looking at the economic backdrop, On paper, Dulles Elem School has 37 full-time-equivalent teachers, translating to a class-load average of around 17.8:1. The state averages around 13.9:1, so this campus is higher than the state norm typical. About 96% of enrolled students meet the income threshold 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 above the surrounding baseline.
With demographic context factored in, Dulles Elem School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 16.3%; this one delivers 8.8%.
In the surrounding community, ACS estimates for Cook County put median household earnings sit near $83,498, 43% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 10%. Across Cook County's 1406 public schools (combined enrollment of about 697,934 students), Dulles Elem School is one campus in the mix.
CICS - Washington Pk Campus is the nearest neighboring public school, about 0.4 miles from this campus. Within five miles, there are 8 other public schools. On composite proficiency, Dulles Elem School comes 6th of 9 in the immediate cluster, below the nearby-schools average of 13.2%.
Geographically, the school is in an inner-city area.
Over the past 7-year window. Looking back 7 years, enrollment at Dulles Elem School has showed little movement, going from 655 students in 2018 to 651 in 2025. Over the same period, the Hispanic share ticked up from 2% to 6%. The student-to-teacher ratio pulled in from 25.1:1 in 2018 to 17.8:1 today.
Within the allk12 community for this school, posts here usually surface around science fair prep, picture-day reminders, and bus-route questions. Posting is open to anyone connected to the school.
Cook County at a glance
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