Dett Elem School

Dett Elem School is a K-5 school of reasonably sized scale in Chicago, Illinois, run under Chicago Public Schools Dist 299, caters to 326 students in grades pre-K through 8.

Chicago Public Schools Dist 299 runs 622 schools in total, collectively educating 324,396 students. Dett Elem School is one of those campuses.

In terms of who attends, Dett Elem School records that nearly all students (87%) are Black. Other groups include 8% Hispanic, 4% multiracial. That is meaningfully more Black than the county at large, where the share is closer to 22%.

Looking at school resources, Staff filings list 30 full-time-equivalent teachers, which works out to roughly 10.9:1 students per teacher. Statewide, the average ratio sits near 13.9:1, putting Dett Elem School tighter than the state norm the norm. About 83% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. Set against Cook County (around 66%), the school's rate is meaningfully above typical.

With demographic context factored in, On a poverty-adjusted basis, Dett Elem School sits in the bottom 10% statewide. Predicted proficiency from the FRL regression is roughly 23.9%; actual is 6.6%, a gap of -17.3 points.

In the surrounding community, community-level numbers for Cook County indicate median household earnings sit near $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. In all, Cook County runs 1406 public schools (combined enrollment of about 697,934 students), of which Dett Elem School is one.

Nearest neighbor: Noble St Chtr-Chicago Bulls Prep, around 0.1 miles off. Within five miles, there are 8 other public schools. On composite proficiency, Dett Elem School comes 7th of 7 in the immediate cluster, below the nearby-schools average of 20.3%.

Geographically, the school is in a city-core area.

Looking at the recent track record. Over the past 7-year window, the student count increased 6%: 309 students in 2018 compared to 326 in 2025. Black enrollment moved from 95% to 87% across the same window. Class-load math has narrowed: from 14.9:1 in 2018 to 10.9:1 in 2025.

Within the allk12 community for this school, members of the Dett Elem School community share and discuss enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.