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GBHS Schedule:
Full Day: 7:20 AM - 2:16 PM
Half Day: 7:20 AM - 10:43 AM
Exam and Bobcat Time Schedules may vary from this - see newsletter for current updates.

High School Calendar

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December 2025
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Sunday, November 30
Thanksgiving Break (No School)
All Day
Thanksgiving Break (No School)
All Day
Monday, December 1
Tuesday, December 2
WMS 8th Gr Band and GBHS Wind Ensemble Holiday Concert
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GBHS BAND WINTER CONERT
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Wednesday, December 3
Varsity Ice Hockey Grand Blanc @ Midland Dow
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Varsity Wrestling Port Huron Northern @ Fenton
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Varsity Wrestling Carleton Airport @ Fenton
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Varsity Wrestling Grand Blanc @ Fenton
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GBHS Bands - Concert, Symphonic, Wind Ensemble Holiday Concert
-
Thursday, December 4
EMS/Bobcat Innovation 7/8th gr Band & GBHS Wind Ensemble Holiday Concert
-
Friday, December 5
Varsity Basketball (Boys) Grand Blanc @ Hamtramck
-
Saturday, December 6
Varsity Wrestling Portage Northern @ Howell
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Varsity Wrestling Mattawan @ Howell
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Varsity Wrestling Detroit Catholic Central @ Howell
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Holiday Craft Fair & Elf Shop at Reid Elementary
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Varsity Wrestling Riverview Gabriel Richard @ Howell
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Varsity Wrestling Southgate Anderson @ Howell
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Varsity Wrestling Utica @ Howell
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Varsity Wrestling Yale @ Howell
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Varsity Wrestling Williamston @ Howell
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Varsity Wrestling Ferndale @ Howell
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Varsity Wrestling Royal Oak Shrine Catholic @ Howell
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Varsity Wrestling St Louis @ Howell
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Varsity Wrestling Portland @ Howell
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Varsity Wrestling Clarkston @ Howell
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Varsity Wrestling Ann Arbor Pioneer @ Howell
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Varsity Wrestling Pinckney @ Howell
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Varsity Wrestling Riverview @ Howell
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Varsity Wrestling Muskegon Oakridge @ Howell
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Varsity Wrestling Muskegon Reeths-Puffer @ Howell
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Varsity Wrestling Stevensville Lakeshore @ Howell
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Varsity Wrestling Oxford @ Howell
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Varsity Wrestling Grand Ledge @ Howell
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Varsity Wrestling Sparta @ Howell
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Varsity Wrestling Northville @ Howell
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Varsity Wrestling Mt Morris @ Howell
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Varsity Wrestling Allen Park @ Howell
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Varsity Wrestling Swartz Creek @ Howell
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Varsity Wrestling Livonia Franklin @ Howell
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Varsity Wrestling Port Huron Northern @ Howell
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Varsity Wrestling Utica Eisenhower @ Howell
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Varsity Wrestling Montrose @ Howell
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Varsity Wrestling Grand Blanc @ Howell
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Varsity Wrestling Dexter @ Howell
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Varsity Wrestling Novi @ Howell
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Varsity Wrestling Wayne Memorial @ Howell
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Varsity Wrestling Bloomfield Hills @ Howell
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Varsity Wrestling Brighton @ Howell
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Varsity Wrestling Owosso @ Howell
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Varsity Wrestling DeWitt @ Howell
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Varsity Wrestling Lapeer @ Howell
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Varsity Wrestling Brooklyn Columbia Central @ Howell
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Varsity Wrestling South Lyon @ Howell
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Varsity Wrestling Millington @ Howell
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Varsity Wrestling Shepherd @ Howell
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Varsity Wrestling Caro @ Howell
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Varsity Wrestling Clio @ Howell
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Varsity Wrestling Fowlerville @ Howell
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Varsity Ice Hockey Grand Blanc @ New Boston Huron
-
Bobcat Dance Clinic by Varsity Pom
-
Sunday, December 7
Monday, December 8
HOPE WEEK (PRESENTED BY HOPE SQUAD)
All Day
HOPE WEEK (PRESENTED BY HOPE SQUAD)
All Day
Freshman Basketball (Boys) Saginaw Heritage @ Grand Blanc
-
Junior Varsity Basketball (Boys) Saginaw Heritage @ Grand Blanc
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Varsity Basketball (Boys) Saginaw Heritage @ Grand Blanc
-
Tuesday, December 9
HOPE WEEK (PRESENTED BY HOPE SQUAD)
All Day
Freshman Basketball (Girls) Howell @ Grand Blanc
-
Junior Varsity Basketball (Girls) Howell @ Grand Blanc
-
Varsity Swimming and Diving (Boys) Rochester @ Grand Blanc
-
Varsity Basketball (Girls) Howell @ Grand Blanc
-
Wednesday, December 10
HOPE WEEK (PRESENTED BY HOPE SQUAD)
All Day
Cancelled-Varsity Wrestling Grand Blanc @ Midland
-
Cancelled-Varsity Wrestling Traverse City West @ Midland
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Varsity Ice Hockey Bay City Central @ Grand Blanc
-
GBHS Choir Holiday Concert
-
GBHS WINTER CHOIR CONCERT
-
Thursday, December 11
HOPE WEEK (PRESENTED BY HOPE SQUAD)
All Day
Varsity Swimming and Diving (Boys) Grand Blanc @ Lapeer
-
Freshman Basketball (Boys) Flint Carman-Ainsworth @ Grand Blanc
-
Junior Varsity Basketball (Boys) Flint Carman-Ainsworth @ Grand Blanc
-
Friday, December 12
HOPE WEEK (PRESENTED BY HOPE SQUAD)
All Day
Junior Varsity Basketball (Girls) Grand Blanc @ Flint Carman-Ainsworth
-
Varsity Basketball (Girls) Grand Blanc @ Flint Carman-Ainsworth
-
Varsity Basketball (Boys) Grand Blanc @ Flint Carman-Ainsworth
-
Saturday, December 13
Varsity Basketball (Girls) Grand Blanc @ South Lyon East
-
Sunday, December 14
Monday, December 15
Tuesday, December 16
Winter Wonderland Concert for 55+ (RSVP Required)
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Freshman Basketball (Girls) Saginaw United @ Grand Blanc
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Freshman Basketball (Boys) Grand Blanc @ Saginaw United
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Junior Varsity Basketball (Girls) Saginaw United @ Grand Blanc
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Junior Varsity Basketball (Boys) Grand Blanc @ Saginaw United
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Varsity Basketball (Girls) Saginaw United @ Grand Blanc
-
Varsity Basketball (Boys) Grand Blanc @ Saginaw United
-
Wednesday, December 17
Thursday, December 18
Freshman Basketball (Boys) Flint Powers Catholic @ Grand Blanc
-
Varsity Swimming and Diving (Boys) Bay City Western @ Grand Blanc
-
Junior Varsity Basketball (Boys) Flint Powers Catholic @ Grand Blanc
-
Friday, December 19
Junior Varsity Basketball (Girls) Grand Blanc @ Flint Powers Catholic
-
Junior Varsity Basketball (Girls) Grand Blanc @ Flint Powers Catholic
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Varsity Basketball (Girls) Grand Blanc @ Flint Powers Catholic
-
Varsity Basketball (Boys) Grand Blanc @ Flint Powers Catholic
-
Saturday, December 20
Varsity Basketball (Boys) Milford @ Grand Blanc
-
Sunday, December 21
Monday, December 22
Winter Break (No School)
All Day
Winter Break (No School)
All Day
WINTER RECESS - NO SCHOOL
All Day
WINTER RECESS - NO SCHOOL
All Day
Cancelled-Freshman Basketball (Girls) Grand Blanc @ Clarkston
-
Junior Varsity Basketball (Girls) Grand Blanc @ Clarkston
-
Varsity Basketball (Boys) Grand Blanc @ Auburn Hills Avondale
-
Varsity Softball Grand Blanc @ Clarkston
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Varsity Basketball (Girls) Grand Blanc @ Clarkston
-
Tuesday, December 23
Winter Break (No School)
All Day
WINTER RECESS - NO SCHOOL
All Day
Wednesday, December 24
Winter Break (No School)
All Day
WINTER RECESS - NO SCHOOL
All Day
Thursday, December 25
Winter Break (No School)
All Day
WINTER RECESS - NO SCHOOL
All Day
Friday, December 26
Winter Break (No School)
All Day
WINTER RECESS - NO SCHOOL
All Day
Saturday, December 27
Winter Break (No School)
All Day
WINTER RECESS - NO SCHOOL
All Day
Varsity Basketball (Boys) @ Grand Blanc
-
Varsity Bowling (Boys) Grand Blanc @ Saginaw United
-
Sunday, December 28
Winter Break (No School)
All Day
Winter Break (No School)
All Day
WINTER RECESS - NO SCHOOL
All Day
WINTER RECESS - NO SCHOOL
All Day
Varsity Basketball (Boys) Lansing Waverly @ Grand Blanc
-
Monday, December 29
Winter Break (No School)
All Day
WINTER RECESS - NO SCHOOL
All Day
Freshman Basketball (Boys) Lansing Waverly @ Grand Blanc
-
Junior Varsity Basketball (Boys) Lansing Waverly @ Grand Blanc
-
Tuesday, December 30
Winter Break (No School)
All Day
WINTER RECESS - NO SCHOOL
All Day
Wednesday, December 31
Winter Break (No School)
All Day
WINTER RECESS - NO SCHOOL
All Day
Thursday, January 1
Winter Break (No School)
All Day
WINTER RECESS - NO SCHOOL
All Day
Friday, January 2
Winter Break (No School)
All Day
WINTER RECESS - NO SCHOOL
All Day
Junior Varsity Basketball (Boys) @ Grand Blanc
-
Freshman Basketball (Boys) @ Grand Blanc
-
Saturday, January 3
Winter Break (No School)
All Day
Varsity Basketball (Boys) Waterford Mott @ Flint Carman-Ainsworth
-
Varsity Basketball (Boys) Waterford Mott @ Grand Blanc
-
Varsity Basketball (Boys) Goodrich @ Saginaw Heritage
-
Varsity Basketball (Boys) Goodrich @ Grand Blanc
-
Varsity Basketball (Boys) Clarkston @ Grand Blanc
-

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  • Days Off, Half Days, and Modified Schedules Days Off, Half Days, and Modified Schedules
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