Grayslake Central High School: Top Public High School in Grayslake IL (2026 List)

About Grayslake Central High School

Grayslake Central High School is a public high school in Grayslake, Illinois, United States. It is a well-known school and is for grades 9–12. It is one of two high schools in the Grayslake Community High School District 127. The school has an enrollment of around 1,375 students and a student-to-teacher ratio of around 13:1. The school is well known for its academic rigor and is a top school, offering a wide array of Advanced Placement coursework and exams, with a strong AP participation rate of 47%.The student body is very diverse with 42% total minority enrollment. The school is one of the leading schools in commitment to support all learners including the economically disadvantaged. Academic performance data shows a Mathematics Proficiency of 29% and a Reading Proficiency of 48%. Grayslake Central High School is well-resourced for SAT and ACT preparation, with spending per pupil estimated at over $20,000. In short, it is recognized as one of the best schools for creating a supportive environment and a focus on college and career readiness, and it is one of the best high schools in Illinois.

Academic Performance

Subject Proficiency

Mathematics 29%

Reading 48%

State average proficiency is 29% in Math and 48% in Reading.

104

Full-time Teachers

13 : 1

Student-Teacher Ratio

1375

Total Students

$66456

Avg. Teacher Salary

Student Demographics

White 58.11%

Asian 8.58%

Hispanic 22.18%

Black 5.6%

Two+ Races 5.38%

Native Am. 0.15%

White

58.11%

Asian

8.58%

Hispanic

22.18%

Black

5.6%

Two+ Races

5.38%

Native Am.

0.15%

Gender Distribution

Total Students: 1375

48.65%

669 Female

51.35%

706 Male

Student Population

1375 Students

With a student-teacher ratio of 13 : 1

Minority Enrollment

25%

Percentage of minority students

Students per Counselor

250 : 1

Student to counselor ratio

Grayslake Central High School Contact Information

Address

400 N Lake St, Grayslake, IL, 60030

View on Map

Phone

(847) 986-3300

Call Now

Website

http://www.d127.org

Recent News & Updates

New Playground Name

We are so excited to announce the name of our new playground! Following a school-wide and Robinson community vote we narrowed a large list of names down to four. Since our students will be using the playground on a daily basis, we gave them the final vote! 476.....

School Timings

Regular School Hours

All Grades: 7:30 AM to 2:45 PM

Early Dismissal Days

Dismissal Time: 12:15 PM

Note: Doors open at 7:15 AM for student arrival. Please refer to the school calendar for specific early dismissal dates.

After School Activities

Information coming soon

School Session Dates

September to June

School session starts in September 1st week and ends in June 3rd week. For exact dates, please contact the school.

Remarkable Alumni

Being Updated

Map

Latest News

On September 17, 2025, Grayslake Central High School welcomed the Lake County Manufacturing Alliance for a tour of its manufacturing and technology labs, showcasing how District 127 connects students to real-world career pathways through hands-on exploration. On September 22, 2025, Principal Dan Landry was named the IAHPERD 2025 Administrator of the Year, bringing to a close a nearly 30-year leadership career that began as a Social Studies teacher and coach. The Rams’ boys soccer team earned a 3-2 victory over Highland Park in a non-league game on Oct. 28, 2025.

FAQ

Q1. What does Grayslake Central High School do to make the learning environment better?

Ans. Respect, working together, and being responsible make sure that the school culture is safe, welcoming, and open to everyone.

Q2. Are there ways to get better at school?

Ans. Yes, advanced classes and projects make students work hard in school and think for themselves.

Q3. Are college entrance exams conducted here?

Ans. Students can take the SAT and ACT tests on-site or through programs that work together.

Q4. Does Grayslake Central High School help students think of new things?

Ans. Yes, students can find out more about art, music, and new projects that will help them be more creative.

Q5. What kind of school experience do students get at Grayslake Central High School?

Ans. Grayslake Central High School has a full curriculum that includes academics, extracurricular activities, and chances for personal growth.

Games & Extracurricular Activities

Sports

Soccer Club Grades 1-3 | Mon/Wed 3:30-4:30pm
Basketball Grades 2-4 | Tue/Thu 3:30-4:45pm
Track & Field Grades 3-5 | Fri 3:30-5:00pm

Arts

Art Club Grades K-2 | Mon 3:00-4:00pm
Drama Club Grades 3-5 | Wed 3:30-5:00pm
Choir Grades 2-5 | Thu 3:15-4:15pm

Clubs

Chess Club Grades 2-5 | Fri 3:15-4:15pm
Garden Club All Grades | Tue 3:15-4:00pm
Robotics Club Grades 3-5 | Thu 3:30-5:00pm

Note: Schedules may change during school holidays. Please contact School for exact Schedule.

Summer Suggested Reading

Horn Book Selections

Vocabulary.com +3 Horn Book +3 What to Read to Your Kids +3

ML

Maggie Lou, Firefox

by Arnolda Dufour Bowes

PS

The Puppets of Spelhorst

by Kate DiCamillo

MLV

The Mona Lisa Vanishes

by Nicholas Day

Vocabulary.com Top Picks

Penguin Random House +10 Vocabulary.com +10 Wikipedia +10

F

Frindle

by Andrew Clements

WR

The Wild Robot

by Peter Brown

JGP

James and the Giant Peach

by Roald Dahl

Penguin Random House Features

Horn Book +2 Penguin Random House +2 The Guardian +2

SLB

The Secret Language of Birds

by Lynne Kelly

S

The Swifts: A Dictionary of Scoundrels

by Beth Lincoln

Free Robotics and Stem In-person Workshop in Your Neighbourhood for 7-14 Years Tech Enthusiasts.

Local kids are transforming ideas into real-world.

See the projects happening right in your neighborhood

What Parents Say