Cossitt Ave Elem School

Cossitt Ave Elem School is a reasonably sized K-5 school in La Grange, Illinois, one of the schools within La Grange SD 102. The school hosts 472 students in grades K through 6. By comparison, Illinois's public schools average about 381 students each, so Cossitt Ave Elem School sits 24% above that benchmark.

La Grange SD 102 runs 6 schools in total, collectively educating 2,875 students. Cossitt Ave Elem School is one of those campuses.

For racial and ethnic makeup, Cossitt Ave Elem School records that the largest single group is White, at 79% of enrollment. Other groups include 10% Hispanic, 8% multiracial, 2% Asian. The wider county runs roughly 44% White, putting the school's mix meaningfully more White than the area baseline.

On the income-and-resources front, The school employs 41 full-time-equivalent teachers, for a student-teacher ratio near 11.6:1. That figure is tighter than the state norm's 13.9:1 average.

Around the school, ACS estimates for Cook County put median household income runs about $83,498, 43% of adults hold a bachelor's degree or higher, and the poverty rate sits near 10%. In all, Cook County runs 1406 public schools (combined enrollment of about 697,934 students), of which Cossitt Ave Elem School is one.

Nearest neighbor: Lyons Twp High Sch, around 0.5 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius.

Geographically, the school is in an outer-ring area.

Five-year trend. Looking back 7 years, enrollment at Cossitt Ave Elem School has shrank 13%, going from 540 students in 2018 to 472 in 2025. Class-load math has fell: from 14.1:1 in 2018 to 11.6:1 in 2025.

On allk12, the feed for Cossitt Ave Elem School typically covers school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.