Island Park Elementary vs Northwood Elementary School

Island Park Elementary and Northwood Elementary School are the two highest-rated elementary schools on Mercer Island, separated by just 1.4 miles and a razor-thin overall rating gap of 0.1 points — Island Park Elementary at 9.2/10 versus Northwood Elementary School at 9.1/10. In Washington state terms, that slim margin translates to a meaningful difference in rank: Island Park Elementary sits at #26 of 2,225 public schools statewide, while Northwood Elementary School ranks #42 of the same pool. Both schools belong firmly in the top 2% of the state, so either choice lands a family in elite company.

Academically, Island Park Elementary scores 9.8/10 against Northwood Elementary School's 9.6/10 — a 0.2-point delta that reflects consistently higher subject-area proficiency. Growth scores are identical: both Island Park Elementary and Northwood Elementary School earn 9.7/10, meaning students at each school advance at the same exceptional pace relative to their peers statewide. The academic edge at Island Park Elementary is a product of incoming proficiency levels rather than any difference in instructional momentum.

The most substantive difference between the two schools is socioeconomic composition. Island Park Elementary reports a free and reduced-price lunch rate of just 2%, compared to 10% at Northwood Elementary School — a five-fold difference that signals meaningfully different household income distributions across each school's attendance zone. Enrollment is comparable (361 at Island Park Elementary versus 398 at Northwood Elementary School), and student-teacher ratios are nearly identical at 16.4:1 and 16.6:1 respectively, so class sizes and adult attention should feel similar day to day.

One structural distinction sets Northwood Elementary School apart: it serves Pre-K through 5th grade, while Island Park Elementary begins at Kindergarten. Families with a child entering Pre-K have only one option between the two. Both schools cap out at 5th grade, so the transition to middle school happens on the same timeline regardless of which campus a family chooses.