Serving 1,419 students in grades 9-12, Grayslake Central High School ranks in the top 20% of all schools in Illinois for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 43% (which is higher than the Illinois state average of 28%). The percentage of students achieving proficiency in reading/language arts is 47% (which is higher than the Illinois state average of 30%).
The student:teacher ratio of 14:1 is equal to the Illinois state level of 14:1.
Minority enrollment is 42% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Stats (2024-25)
Grades: 9-12
Enrollment: 1,419 students
Student:Teacher Ratio: 14:1
Minority Enrollment: 42%
Graduation Rate
: 91% (Top 50% in IL)
Overall Testing Rank
: Top 20%
Math Proficiency
: 43% (Top 20%)
Reading Proficiency
: 47% (Top 20%)
Science Proficiency
: 67% (Top 20%)
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Grayslake Central High School ranks within the top 20% of all 3,426 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Grayslake Central High School is 0.60, which is less than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.
What percent of students have achieved state testing proficiency in math and reading?
43% of students have achieved math proficiency (compared to the 28% IL state average), while 47% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Grayslake Central High School?
The graduation rate of Grayslake Central High School is 91%, which is higher than the Illinois state average of 87%.
How many students attend Grayslake Central High School?
1,419 students attend Grayslake Central High School.
What is the racial composition of the student body?
58% of Grayslake Central High School students are White, 23% of students are Hispanic, 8% of students are Asian, 6% of students are Black, and 5% of students are Two or more races.
What is the student:teacher ratio of Grayslake Central High School?
Grayslake Central High School has a student ration of 14:1, which is equal to the Illinois state average of 14:1.
What grades does Grayslake Central High School offer ?
Grayslake Central High School offers enrollment in grades 9-12
What school district is Grayslake Central High School part of?
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Quick Stats (2024-25)
Grades: 9-12
Enrollment: 1,419 students
Student:Teacher Ratio: 14:1
Minority Enrollment: 42%
Graduation Rate
: 91% (Top 50%)
Overall Testing Rank
: Top 20%
Math Proficiency
: 43% (Top 20%)
Reading Proficiency
: 47% (Top 20%)
Science Proficiency
: 67% (Top 20%)
Source: National Center for Education Statistics (NCES), IL Dept. of Education
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