Important Dates for 2026-2027
Concert Dates – Required for All Orchestra Students
Tuesday, October 13th @ 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 22nd @ GBS Watson Auditorium (dress rehearsal Fri, 11/20, 7:30am @ GBS)
GSO Fall Concert, 3:30pm (mandatory for all orchestra students)
Wednesday, December 9th @ GBN Sheely Center for the Performing Arts
GBN Winter Concert, 7:00pm (GBN Strings/Winds/Percussion only)
Thursday, December 10th @ GBN/GBS
Holiday Assemblies at both schools followed by Yearbook Pictures, 7:30am-3:45pm (all GSO students)
Wednesday, March 17th @ GBN Center for Performing Arts (dress rehearsal Tues, 3/16, 7:30am @ GBN)
GSO Spring Concert, 7:30pm (with concerto competition winners, mandatory for all orchestra students)
Thursday, May 13th @ GBS Watson Auditorium
Spring Orchestra Concert, 7:30pm (all GSO Strings and Freshman String Ensembles)
Other Program Dates
Wednesday, September 30th (not required)
ILMEA District 7 Auditions – Video Auditions Due (packets can be picked up in August)
Saturday, November 9th @ New Trier High School
IMEA District 7 Clinic and Performance, all day (by audition only)
Tuesday, January 5th @ GBS / Wednesday, January 6th @ GBN: GSO Concerto Competition
For students interested in auditioning – more information available in December
Saturday, March 6th @ Glenbrook South HS: Glenbrook Festival of Music, 7pm Concert
Sinfonietta Strings at GSO Principal Winds/Perc only – times on Fri 3/5 and Sat 3/6 Morning
Saturday, March 20th – Wednesday, March 24th @ New York City Spring Break Trip!
Open to all members of the Orchestra Program: GSO Students and Freshmen Orchestra Students
Thursday, April 29th – Saturday, May 1st @ GBN Sheely Center for the Performing Arts
Frozen - 58th Annual Glenbrook Musical (selected members from both schools comprise the pit orchestra)
Wednesday, May 19th @ Glenbrook South Autos Courtyard/Auditorium
Orchestra Banquet, 6pm (for all members of the Glenbrook Orchestra Program and families)
Tuesday, October 13th @ 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 22nd @ GBS Watson Auditorium (dress rehearsal Fri, 11/20, 7:30am @ GBS)
GSO Fall Concert, 3:30pm (mandatory for all orchestra students)
Wednesday, December 9th @ GBN Sheely Center for the Performing Arts
GBN Winter Concert, 7:00pm (GBN Strings/Winds/Percussion only)
Thursday, December 10th @ GBN/GBS
Holiday Assemblies at both schools followed by Yearbook Pictures, 7:30am-3:45pm (all GSO students)
Wednesday, March 17th @ GBN Center for Performing Arts (dress rehearsal Tues, 3/16, 7:30am @ GBN)
GSO Spring Concert, 7:30pm (with concerto competition winners, mandatory for all orchestra students)
Thursday, May 13th @ GBS Watson Auditorium
Spring Orchestra Concert, 7:30pm (all GSO Strings and Freshman String Ensembles)
Other Program Dates
Wednesday, September 30th (not required)
ILMEA District 7 Auditions – Video Auditions Due (packets can be picked up in August)
Saturday, November 9th @ New Trier High School
IMEA District 7 Clinic and Performance, all day (by audition only)
Tuesday, January 5th @ GBS / Wednesday, January 6th @ GBN: GSO Concerto Competition
For students interested in auditioning – more information available in December
Saturday, March 6th @ Glenbrook South HS: Glenbrook Festival of Music, 7pm Concert
Sinfonietta Strings at GSO Principal Winds/Perc only – times on Fri 3/5 and Sat 3/6 Morning
Saturday, March 20th – Wednesday, March 24th @ New York City Spring Break Trip!
Open to all members of the Orchestra Program: GSO Students and Freshmen Orchestra Students
Thursday, April 29th – Saturday, May 1st @ GBN Sheely Center for the Performing Arts
Frozen - 58th Annual Glenbrook Musical (selected members from both schools comprise the pit orchestra)
Wednesday, May 19th @ Glenbrook South Autos Courtyard/Auditorium
Orchestra Banquet, 6pm (for all members of the Glenbrook Orchestra Program and families)