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For the 2025-26 school year, there are 6 public high schools serving 2,581 students in Grayslake, IL.

The top-ranked public high schools in Grayslake, IL are Grayslake North High School, Grayslake Central High School and Laremont School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Grayslake, IL public high schools have an average math proficiency score of 30% (versus the Illinois public high school average of 26%), and reading proficiency score of 45% (versus the 29% statewide average). High schools in Grayslake have an average ranking of 9/10, which is in the top 20% of Illinois public high schools.

Grayslake, IL public high school have a Graduation Rate of 95%, which is more than the Illinois average of 87%.

The school with highest graduation rate is Grayslake Central High School, with 97% graduation rate. Read more about public school graduation rate statistics in Illinois or national school graduation rate statistics.

Minority enrollment is 46% of the student body (majority Hispanic), which is less than the Illinois public high school average of 55% (majority Hispanic).