8.23.2025  MW Varsity Percussion @ Midwest Marching Percussion Classic

9.13.2025 O'Fallon Metro East Marching Classic 

9.27.2025 EIU Panther Marching Band Festival

10.11.2025 Potosi Bi-State Marching Invitational 

10.25.2025 Greater St. Louis Marching Band Festival

8.22.2025 Football Scrimmage - Parent Preview Show

8.29.2025 GCHS VS. Peotone

9.12.2025 GCHS VS. Cahokia

9.19.2025 GCHS VS. Centralia (Senior Night)

10.03.2025 GCHS VS. Carbondale (Homecoming & 8th Grade Night)

10.15.2025 Coolidge Fall Concert 6:30 PM

10.27.2025 GCHS Marching Warrior Fall Concert 7:00 PM

12.09.2025 GCSD9 Winter Concert 1 (Concert Band) 7:00 PM

12.10.2025 GCSD9 Winter Concert 2 (Jazz & Percussion) 7:00 PM

2.21.2026 GCHS & Coolidge Solo Ensemble Concert 11:00 AM - 7:00 PM

2.26.2026 Coolidge 3rd Quarter Concert 6:30 PM

4.30.2026 GCHS Spring Fine Arts Fest - Concert 7:30 PM

5.07.2026 Coolidge Spring Concert 6:30 PM

5.12.2026 GCSD9 Percussion Concert 7:00 PM

5.14.2026 GCSD9 Jazz Conert 7:00 PM

9.01.2025 Labor Day Parade

10.01.2025 Homecoming Parade

12.06.2025 Candy Cane Parade