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For the 2025-26 school year, there are 4 public high schools serving 3,927 students in Crystal Lake, IL.

The top ranked public high schools in Crystal Lake, IL are Prairie Ridge High School, Crystal Lake South High School and Crystal Lake Central High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Crystal Lake, IL public high schools have an average math proficiency score of 32% (versus the Illinois public high school average of 26%), and reading proficiency score of 38% (versus the 29% statewide average). High schools in Crystal Lake have an average ranking of 9/10, which is in the top 20% of Illinois public high schools.

Crystal Lake, 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 Crystal Lake Central High School, with 96% graduation rate. Read more about public school graduation rate statistics in Illinois or national school graduation rate statistics.

Minority enrollment is 29% of the student body (majority Hispanic), which is less than the Illinois public high school average of 55% (majority Hispanic).