...dedicated to academic excellence for all learners through the core values of equity, growth, and collaboration
The following navigation utilizes arrow, enter, escape, and space bar key commands. Left and right arrows move through main tier links and expand / close menus in sub tiers. Up and Down arrows will open main tier menus and toggle through sub tier links. Enter and space open menus and escape closes them as well. Tab will move on to the next part of the site rather than go through menu items.
MHS Students: Click here or scan the QR code below if you would like to request a locker for the 2025-2026 school year.
Fourth of July Holiday - No Summer School
Join the D120 Team! We're Hiring
Mundelein High School Class of 2025 Graduation - May 18, 2025, at the NOW Arena in Hoffman Estates, IL Congratulations, Mustangs!
Summer School Session 2 - 2025
Final Exams - Semester 2
Dive Into Summer Reading: The MHS Library is Boundless!
May 26- Memorial Day - No School
For the second straight year, Mundelein High School was recognized as one of the “Best Communities for Music Education (BCME)” in the nation by the NAMM (National Association of Music Merchants) Foundation.
MHS Graduation Seating Chart