Our species needs, and deserves, a citizenry with minds awake and a basic understanding of how the world works.

Somewhere, something incredible is waiting to be known. - Carl Sagan

The Science Department at Grayslake Central High School endeavors to provide students with the guidance, skills, and experiences necessary to thrive as both conscientious producers and savvy consumers of knowledge in modern society.

Deanna Mazanek
Department Chair
847-986-3300 x5503
dmazanek@d127.org

Science Department Staff

Tim Bowen

Science

  • 847-986-3300 x5520

Dan Cahill

Science

  • 847-986-3300 x5530

Margaret Hansen

Science

  • 847-986-3300 x5539

Michelle Hempen

Science

  • 847-986-3300 x5748

Debbie Hofer

Science

  • 847-986-3300 x5525

Brian Johnson

Science

  • 847-986-3300 x5586

Ron Keller

Science

  • 847-986-3300 x5594

Deanna Mazanek

Science, CTE Department Chair

  • 847-986-3300 x5503

Mike McMahon

Science

  • 847-986-3300 x5614

Kevin O'Connor

Science

  • 847-986-3300 x5627

Shanna Piggott

Technology Integration Specialist

  • 847-986-3300 x5643

Renee Schaal

Science

  • 847-986-3300 x5629

Ricky Stark

Science

  • 847-986-3300 x5709

Bryan Tylkowski

Science

  • 847-986-3300 x5512

Connect with Grayslake Central

Grayslake Central
400 North Lake Street
Grayslake, IL 60030

(847) 986-3300

Upcoming Events

Spring Break – NO SCHOOL

March 27, 2017 6:00 AM - March 31, 2017 3:00 PM

Spring Break - No School

March 27, 2017 7:30 AM - 2:45 PM

Spring Break - No School

March 28, 2017 7:30 AM - 2:45 PM