Greenbriar Elem School

Greenbriar Elem School is a moderately sized K-5 school in Northbrook, Illinois, one of the schools within Northbrook SD 28. The school instructs 352 students in grades K through 5.

Greenbriar Elem School is one of 4 schools operated by Northbrook SD 28, a district that enrolls 1,828 students overall.

Demographically, Greenbriar Elem School lists that 79% of the student body identifies as White. Beyond that, the school records 11% Asian, 4% Hispanic, 4% multiracial, 2% Black. That is meaningfully more White than the county at large, where the share is closer to 44%.

In terms of school funding signals, Greenbriar Elem School shows 37 full-time-equivalent teachers, putting the student-to-teacher ratio at about 9.5:1. That figure is tighter than the state norm's 13.9:1 average.

In the broader community, the surrounding county (Cook County) reports that median household income runs about $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), Greenbriar Elem School is one campus in the mix.

The closest other public school is Westmoor Elem School, roughly 0.4 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius.

Greenbriar Elem School operates from a suburban location.

Trend over the last 7 years. Greenbriar Elem School's enrollment has contracted 12% since 2018, when it stood at 402 (now 352). Class-load math has fell: from 10.6:1 in 2018 to 9.5:1 in 2025.

Within the allk12 community for this school, the feed for Greenbriar Elem School typically covers pickup logistics, teacher feedback, and after-school programs. Members of the school community can share what they know.