A
Grayslake Central High School
PublicHighGrades 9–12
400 N Lake St, Grayslake, IL 60030 · (847) 986-3300 · Part of Grayslake Community High School District 127
Students
1,375
Students per teacher
13:1
Setting
Suburb
Grades
9–12
What stands out about Grayslake Central High School
- School Grade A: near the top of Illinois’s public schools
- Math proficiency 17 pts above the state
- Reading / language arts 15 pts above the state
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency43%
State average 25.9%
Reading / language arts46%
State average 30.7%
Location
Directions ↗
400 N Lake St, Grayslake
Students
Enrollment by grade
Grade 9324
Grade 10325
Grade 11354
Grade 12372
Enrollment over time
1,379’20
1,378’21
1,419’22
1,375’23
1,375’24
About steady.
Who goes here
White 58%Hispanic 22%Asian 8%Black 7%Two or more races 5%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Grayslake Central High School.
Other schools in Grayslake Community High School District 127
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.