August 2026
| DATE | TIME | GROUP | EVENT | LOCATION |
| August 3 (Mon) | 12:45 – 9:00 PM | Marching band | Band camp | GBS |
| August 4 (Tue) | 12:45 – 9:00 PM | Marching band | Band camp | GBS |
| August 5 (Wed) | 12:45 – 9:00 PM | Marching band | Band camp | GBS |
| August 6 (Thur) | 12:45 – 9:00 PM | Marching band | Band camp | GBS |
| August 7 (Fri) | 12:45 – 9:00 PM | Marching band | Band camp | GBS |
| August 7 (Fri) | 7:00 PM | Families & friends | Performance | GBS |
| August 10 (Mon) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| August 13 (Thur) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| August 15 (Sat) | TBD | Marching band | Fall sports kick-off | GBS |
| August 17 (Mon) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| August 20 (Thur) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| August 24 (Mon) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| August 27 (Thur) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| August 28 (Fri) | 7:00 PM | Marching band | Home football game | GBS |
| August 31 (Mon) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
September 2026
| DATE | TIME | GROUP | EVENT | LOCATION |
| September 3 (Thur) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| September 4 (Fri) | 7:00 PM | Marching band | Home football game | GBS |
| September 10 (Thur) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| September 14 (Mon) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| September 17 (Thur) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| September 19 (Sat) | TBD | Marching band | Chicagoland Marching Band Festival | Wheeling HS |
| September 24 (Thur) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| September 25 (Fri) | 7:00 PM | Marching band | Homecoming Pep Rally and Football Game | GBS |
| September 26 (Sat) | 10:00 AM | Marching band | Homecoming parade | Downtown Glenview |
| September 28 (Mon) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
October 2026
| DATE | TIME | GROUP | EVENT | LOCATION |
| October 1 (Thur) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| October 3 (Sat) | TBD | Marching band | Romeoville Spartan Classic | Romeoville HS |
| October 5 (Mon) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| October 8 (Thur) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| October 10 (Sat) | 5:45 – 9:00 PM | Marching band | Prospect Knight of Champions | Prospect HS |
| October 12 (Mon) | TBD | Marching band | Rehearsal | GBS |
| October 15 (Thur) | 5:45 – 9:00 PM | Marching band | Rehearsal | GBS |
| October 16 (Fri) | 7:00 PM | Marching band | Home football game | GBS |
| October 19 (Mon) | 7:00 PM | Marching band | Band-O-Rama/Senior Night | GBS |
November 2026
| November 10 (Tue) | 7:00 PM | Concert bands | Glenview Band Invitational | GBS |
| November 28 (Sat) | 4:00 PM | Marching band | Glenview Holiday Parade | Downtown Glenview |
December 2026
| December 13 (Sun) | 3:00 PM | Concert bands | Winter Band Concert & Auction | GBS |
2027 Dates
| January 26 (Tue) | 7:00 PM | Jazz bands | Jazz Cafe | GBS |
| February 18-20 | 7:00 PM
(and 2:00 PM on Saturday) | V-show pit band | GBS Variety Show | GBS |
| March 11 (Thur) | 7:00 PM | Concert bands | March Band Concert | GBS |
| May 5 (Thur) | 7:00 PM | Concert bands | Spring Band Concert | GBS |
| May 17 (Mon) | 7:00 PM | Jazz bands | Jazz Night | GBS |
| May 31 (Mon) | 10:00 AM | Marching band | Memorial Day Parade | Downtown Glenview |
| July 4 (Sun) | 11:15 | Marching band | Fourth of July Parade | Downtown Glenview |
Check back regularly for schedule updates to performances and special rehearsals.
