Shabonee School vs Greenbriar Elem School

Greenbriar Elem School and Shabonee School are both elite elementary schools in Northbrook, Illinois, separated by just 1.0 mile — but their state rankings tell meaningfully different stories. Greenbriar Elem School holds the #15 position of 3,813 Illinois elementary schools, while Shabonee School sits at #91 in that same pool. That 76-rank gap translates to an overall rating difference of 0.7 points, with Greenbriar at 9.7/10 and Shabonee at 9.0/10.

The two schools are tied on raw academic output — both earn a 9.9/10 academic score — meaning neither holds a measurable edge in tested proficiency. The separation opens on growth, where Greenbriar Elem School scores 9.4/10 versus Shabonee School's 8.0/10, a 1.4-point gap. That delta matters: growth scores measure how much students improve relative to peers with similar starting points, so Greenbriar's advantage suggests its instruction is accelerating student progress more effectively, independent of the high-achieving population both schools draw from.

Greenbriar Elem School's student-teacher ratio is 10.2:1 compared to Shabonee School's 12.1:1, meaning Greenbriar averages roughly two fewer students per classroom. Greenbriar also enrolls 367 students versus Shabonee's 437, making it the smaller campus overall. Both figures point to a more intimate environment at Greenbriar, with more individualized attention available per student. The enrollment gap isn't dramatic, but the ratio difference is concrete.

The most structural difference between the two schools is grade coverage. Greenbriar Elem School serves kindergarten through 5th grade, while Shabonee School serves only grades 3 through 5. A family with a kindergartner has no choice between them on academics alone — Shabonee is simply not an option for early elementary grades. Families already in grades 3–5 are the ones choosing between both campuses directly.