Grayslake CHSD 127
Grayslake, Illinois · 2,676 students · 2 schools
Enrollment
2,676
Schools
2
Location
Grayslake, Illinois
Schools in this district
Grayslake Central High SchoolGrayslake, IL
1,419 students
Grayslake North High SchoolGrayslake, IL
1,257 students
Methodology & sources
- NCES Common Core of Data (CCD) directory
- U.S. Dept. of Education EDFacts assessment results
- Illinois accountability framework (tier). Phase 1a uses math+ELA proficiency only with generic regime cutpoints; per-state component weights ship in Phase 1b. (as of 2026-05-27)
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Start learning free →About this profile. COSMIQ is an independent, free AI tutoring service and is not affiliated with, endorsed by, or sponsored by Grayslake CHSD 127, Illinois, or any government education agency. All figures are drawn from public U.S. Department of Education data (NCES Common Core of Data and EDFacts). Any projected rating is an independent estimate, not an official score. COSMIQ does not collect or publish user reviews or ratings of schools.
Data last refreshed July 7, 2026.