Lake Co High Schools Tech Campus
CTE · Grades 9–12
Grayslake Central High School
400 N Lake St, Grayslake, IL 60030
Grades
9–12
High
Students
1,375
Enrolled 2024–25
Students per teacher
12.9 : 1
Full-time teachers
District
Grayslake CHSD 127
Lake County
Schola Grade A · Excellent
Letter grade (A–F) · compared with 684 Illinois high schools · How we grade
Percentiles compare this school with other Illinois high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).
About Grayslake Central High School
Grayslake Central High School is a public high school in Grayslake, Illinois, serving grades 9–12. It is part of Grayslake CHSD 127. The school is located in a large suburb in Lake County.
In the 2024–25 school year, 1,375 students were enrolled, with about 12.9 students for every full-time teacher. That ratio is close to the typical Illinois high school (13.3 students per teacher). Its Schola Grade is A (excellent), compared with 684 Illinois high schools.
Grades & enrollment
Students per grade, 2024–25Grades 9–12
Location & nearby schools
School details
- Type
- Public School · What this means
- Level
- High
- Grades offered
- 9–12
- Enrollment (2024–25)
- 1,375 students
- Students per teacher
- 12.9 to 1
- AP courses offered
- 23
- Charter school
- No
- Magnet school
- No
- Locale
- Suburb — Large
- School district
- Grayslake CHSD 127
- County
- Lake County
- NCES school ID
- 171755002057
Schools near Grayslake Central High School
All 11 schools in Grayslake →
Grayslake North High School
Public · Grades 9–12 · 1,208 students
Round Lake Senior High School
Public · Grades 9–12 · 2,194 students
Round Lake Transition Center
Alternative · Grades 12
Round Lake ALOP
Alternative · Grades 6–12
Lake Co Collaborative Alop
Alternative · Grades 7–12
School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.