Important Dates for 2025-2026
Concert Dates – Required for All Orchestra Students
Tuesday, October 14th @ GBN Sheely Center for the Performing Arts
Strictly Strings Festival, 7:00pm
GBN/GBS Freshman String Ensembles, Incoming 8th Graders, Selected Soloists & Sinfonietta
Sunday, November 23rd @ GBS Watson Auditorium (dress rehearsal Fri, 11/21, 7:30am @ GBS)
GSO Fall Concert, 3:30pm (mandatory for all orchestra students)
Wednesday, December 10th @ GBN Sheely Center for the Performing Arts
GBN Winter Concert, 7:00pm (GBN Strings/Winds/Percussion only)
Thursday, December 11th @ GBN/GBS
Holiday Assemblies at both schools followed by Yearbook Pictures, 7:30am-3:45pm (all GSO students)
Wednesday, March 18th @ GBN Center for Performing Arts (dress rehearsal Tues, 3/17, 7:30am @ GBN)
GSO Spring Concert, 7:30pm (with concerto competition winners, mandatory for all orchestra students)
Thursday, May 14th @ GBS Watson Auditorium
Spring Orchestra Concert, 7:30pm (all GSO Strings and Freshman String Ensembles)
Other Program Dates
Wednesday, October 1st (not required)
ILMEA District 7 Auditions – Video Auditions Due (packets can be picked up in August)
Saturday, November 8th @ Round Lake High School
IMEA District 7 Clinic and Performance, all day (by audition only)
Tuesday, January 6th @ GBS / Wednesday, January 7th @ GBN: GSO Concerto Competition
For students interested in auditioning – more information available in December
Saturday, March 7th @ Glenbrook South HS: Glenbrook Festival of Music, 7pm Concert
Sinfonietta Strings at GSO Principal Winds/Perc only – times on Fri 3/6 and Sat 3/7 Morning
Thursday, April 23rd – Saturday, April 25th @ GBN Sheely Center for the Performing Arts
57th Annual Glenbrook Musical (selected members from both schools comprise the pit orchestra)
Wednesday, May 20th @ Glenbrook South Autos Courtyard/Auditorium
Orchestra Banquet, 6pm (for all members of the Glenbrook Orchestra Program and families)
Tuesday, October 14th @ GBN Sheely Center for the Performing Arts
Strictly Strings Festival, 7:00pm
GBN/GBS Freshman String Ensembles, Incoming 8th Graders, Selected Soloists & Sinfonietta
Sunday, November 23rd @ GBS Watson Auditorium (dress rehearsal Fri, 11/21, 7:30am @ GBS)
GSO Fall Concert, 3:30pm (mandatory for all orchestra students)
Wednesday, December 10th @ GBN Sheely Center for the Performing Arts
GBN Winter Concert, 7:00pm (GBN Strings/Winds/Percussion only)
Thursday, December 11th @ GBN/GBS
Holiday Assemblies at both schools followed by Yearbook Pictures, 7:30am-3:45pm (all GSO students)
Wednesday, March 18th @ GBN Center for Performing Arts (dress rehearsal Tues, 3/17, 7:30am @ GBN)
GSO Spring Concert, 7:30pm (with concerto competition winners, mandatory for all orchestra students)
Thursday, May 14th @ GBS Watson Auditorium
Spring Orchestra Concert, 7:30pm (all GSO Strings and Freshman String Ensembles)
Other Program Dates
Wednesday, October 1st (not required)
ILMEA District 7 Auditions – Video Auditions Due (packets can be picked up in August)
Saturday, November 8th @ Round Lake High School
IMEA District 7 Clinic and Performance, all day (by audition only)
Tuesday, January 6th @ GBS / Wednesday, January 7th @ GBN: GSO Concerto Competition
For students interested in auditioning – more information available in December
Saturday, March 7th @ Glenbrook South HS: Glenbrook Festival of Music, 7pm Concert
Sinfonietta Strings at GSO Principal Winds/Perc only – times on Fri 3/6 and Sat 3/7 Morning
Thursday, April 23rd – Saturday, April 25th @ GBN Sheely Center for the Performing Arts
57th Annual Glenbrook Musical (selected members from both schools comprise the pit orchestra)
Wednesday, May 20th @ Glenbrook South Autos Courtyard/Auditorium
Orchestra Banquet, 6pm (for all members of the Glenbrook Orchestra Program and families)