Faith Lutheran High School

174 McHenry Ave

Crystal Lake, IL 60014

Phone:  815-479-9305

Fax: 815-479-9300


815-479-9305  ext. 4


Interim Principal 

Laurie Mathiesen

815-479-9305  ext. 5






Are you interested in finding out more about Faith Lutheran HS? Would you like to visit the school for an Open House or schedule a Shadow Day? 

Please click here to complete our inquiry form.




Please contact us at 815-479-9305


Serving Students from Algonquin, Barrington, Cary, Crystal Lake, Elgin, Harvard, Marengo, McHenry, Woodstock, and beyond! Faith Lutheran High School (FLHS) is a private school, grades 9-12, dedicated to providing:

  • Christ-Centered Education

  • 13-1 Teacher/Student Ratio

  • Students with the ability to freely live in God's Word

  • General, AP, and ACT Prep Courses; Accredited

  • 16 IHSA Sports, Clubs, Theater, Choir, and More!

Faith Lutheran High School
174 McHenry Ave. Crystal Lake, IL 60014

(815) 479-9305


  • w-facebook
  • Twitter Clean
  • Instagram - White Circle

© 2017 by Faith Lutheran High School. 

Website Design by Students and Staff