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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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April 2026
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Sunday, March 29
Spring Break (No School)
All Day
Spring Break (No School)
All Day
Monday, March 30
Spring Break (No School)
All Day
SPRING RECESS - NO SCHOOL
All Day
SPRING RECESS - NO SCHOOL
All Day
Tuesday, March 31
Spring Break (No School)
All Day
SPRING RECESS - NO SCHOOL
All Day
Wednesday, April 1
Spring Break (No School)
All Day
SPRING RECESS - NO SCHOOL
All Day
Thursday, April 2
Spring Break (No School)
All Day
SPRING RECESS - NO SCHOOL
All Day
Friday, April 3
Spring Break (No School)
All Day
SPRING RECESS - NO SCHOOL
All Day
Saturday, April 4
Spring Break (No School)
All Day
GB Athletics Junior Varsity Lacrosse (Boys) @ Grand Blanc
-
GB Athletics Varsity Lacrosse (Boys) @ Grand Blanc
-
Sunday, April 5
Spring Break (No School)
All Day
Spring Break (No School)
All Day
Monday, April 6
Staff Professional Development Day (No School for Students)
All Day
Staff Professional Development Day (No School for Students)
All Day
NO SCHOOL FOR STUDENTS/ STAFF PD
All Day
NO SCHOOL FOR STUDENTS/ STAFF PD
All Day
Tuesday, April 7
Start of Marking Period 4
All Day
Start of Marking Period 4
All Day
4TH MARKING PERIOD BEGINS
All Day
4TH MARKING PERIOD BEGINS
All Day
GB Athletics Cancelled-Varsity Softball White Lake Lakeland @ Grand Blanc
-
GB Athletics Varsity Baseball Flushing @ Grand Blanc
-
GB Athletics Cancelled-Junior Varsity Baseball Grand Blanc @ Flushing
-
GB Athletics Freshman Baseball Flushing @ Grand Blanc
-
GB Athletics Cancelled-Varsity Softball White Lake Lakeland @ Grand Blanc
-
GB Athletics Junior Varsity Soccer (Girls) Oxford @ Grand Blanc
-
GB Athletics Varsity Lacrosse (Girls) Davison @ Grand Blanc
-
GB Athletics Varsity Baseball Flushing @ Grand Blanc
-
GB Athletics Varsity Soccer (Girls) Oxford @ Grand Blanc
-
Wednesday, April 8
GB Athletics Cancelled-Freshman Softball Waterford Kettering @ Grand Blanc
-
GB Athletics Varsity Softball White Lake Lakeland @ Grand Blanc
-
GB Athletics Junior Varsity Baseball Grand Blanc @ Rochester Adams
-
GB Athletics Varsity Baseball Rochester Adams @ Grand Blanc
-
GB Athletics Cancelled-Freshman Softball Waterford Kettering @ Grand Blanc
-
GB Athletics Varsity Softball White Lake Lakeland @ Grand Blanc
-
GB Athletics Varsity Volleyball (Boys) Saginaw Swan Valley @ Grand Blanc
-
GB Athletics Varsity Volleyball (Boys) Saginaw United @ Grand Blanc
-
GB Athletics Varsity Volleyball (Boys) Davison @ Grand Blanc
-
Thursday, April 9
GB Athletics Varsity Tennis (Girls) Grand Blanc @ Bay City Western
-
GB Athletics Cancelled-Junior Varsity Softball Saginaw Swan Valley @ Grand Blanc
-
GB Athletics Varsity Softball Frankenmuth @ Grand Blanc
-
GB Athletics Junior Varsity Tennis (Girls) Grand Blanc @ Bay City Western
-
GB Athletics Junior Varsity Soccer (Girls) Milford @ Grand Blanc
-
GB Athletics Varsity Volleyball (Boys) Mt Morris @ Grand Blanc
-
GB Athletics Cancelled-Junior Varsity Softball Saginaw Swan Valley @ Grand Blanc
-
GB Athletics Junior Varsity Lacrosse (Boys) Bay City Western @ Grand Blanc
-
GB Athletics Junior Varsity Lacrosse (Girls) Grand Blanc @ Midland Dow
-
GB Athletics Varsity Softball Frankenmuth @ Grand Blanc
-
GB Athletics Varsity Lacrosse (Girls) Grand Blanc @ Midland Dow
-
GB Athletics Varsity Soccer (Girls) Milford @ Grand Blanc
-
GB Athletics Varsity Lacrosse (Boys) Bay City Western @ Grand Blanc
-
Friday, April 10
GB Athletics Freshman Softball Birch Run @ Grand Blanc
-
GB Athletics Freshman Softball Birch Run @ Grand Blanc
-
GB Athletics Junior Varsity Lacrosse (Girls) Grand Blanc @ Portage Northern
-
GB Athletics Varsity Lacrosse (Girls) Grand Blanc @ Portage Northern
-
Saturday, April 11
GB Athletics Cancelled-Junior Varsity Baseball Grand Blanc @ Holly
-
GB Athletics Varsity Baseball Holly @ Grand Blanc
-
GB Athletics Junior Varsity Lacrosse (Boys) Macomb Dakota @ Grand Blanc
-
GB Athletics Varsity Lacrosse (Boys) Macomb Dakota @ Grand Blanc
-
GB Athletics Varsity Baseball Holly @ Grand Blanc
-
Sunday, April 12
Monday, April 13
GB Athletics Cancelled-Junior Varsity Softball Saginaw @ Grand Blanc
-
GB Athletics Varsity Baseball Saginaw United @ Grand Blanc
-
GB Athletics Varsity Baseball Saginaw @ Grand Blanc
-
GB Athletics Cancelled-Varsity Softball Saginaw United @ Grand Blanc
-
GB Athletics Varsity Softball Clarkston @ Grand Blanc
-
GB Athletics Junior Varsity Soccer (Girls) Grand Blanc @ Flint Powers Catholic
-
GB Athletics Cancelled-Varsity Softball Saginaw United @ Grand Blanc
-
GB Athletics Cancelled-Junior Varsity Softball Saginaw @ Grand Blanc
-
GB Athletics Varsity Softball Clarkston @ Grand Blanc
-
GB Athletics Varsity Soccer (Girls) Grand Blanc @ Flint Powers Catholic
-
GB Athletics Varsity Baseball Saginaw United @ Grand Blanc
-
Tuesday, April 14
GB Athletics Junior Varsity Baseball Fenton @ Grand Blanc
-
GB Athletics Varsity Baseball Hartland @ Grand Blanc
-
GB Athletics Freshman Baseball Grand Blanc @ Mount Pleasant
-
GB Athletics Junior Varsity Lacrosse (Boys) Midland @ Grand Blanc
-
GB Athletics Junior Varsity Lacrosse (Girls) Grand Blanc @ Flint Powers Catholic
-
GB Athletics Varsity Lacrosse (Girls) Grand Blanc @ Flint Powers Catholic
-
GB Athletics Freshman Baseball Grand Blanc @ Mount Pleasant
-
GB Athletics Junior Varsity Baseball Fenton @ Grand Blanc
-
GB Athletics Varsity Lacrosse (Boys) Midland @ Grand Blanc
-
Wednesday, April 15
GB Athletics Varsity Baseball Saginaw @ Grand Blanc
-
GB Athletics -Junior Varsity Baseball Goodrich @ Grand Blanc
-
GB Athletics Freshman Softball Grand Blanc @ Macomb L'Anse Creuse North
-
GB Athletics Cancelled-Freshman Baseball Grand Blanc @ Fenton
-
GB Athletics Varsity Baseball Saginaw United @ Grand Blanc
-
GB Athletics Varsity Soccer (Girls) Saginaw @ Grand Blanc
-
GB Athletics Varsity Soccer (Girls) Saginaw United @ Grand Blanc
-
GB Athletics Cancelled-Junior Varsity Soccer (Girls) @ Grand Blanc
-
GB Athletics Freshman Softball Grand Blanc @ Macomb L'Anse Creuse North
-
GB Athletics Freshman Baseball Grand Blanc @ Fenton
-
GB Athletics Varsity Volleyball (Boys) Midland Dow @ Grand Blanc
-
Thursday, April 16
GBHS Theater Presents ~ Once Upon A Mattress
-
GBHS Theater Presents ~ Once Upon A Mattress
-
GB Athletics Varsity Tennis (Girls) Saginaw United @ Grand Blanc
-
GB Athletics Cancelled-Varsity Softball Midland @ Grand Blanc
-
GB Athletics Cancelled-Junior Varsity Softball Midland @ Grand Blanc
-
GB Athletics Cancelled-Junior Varsity Softball Midland @ Grand Blanc
-
GB Athletics Cancelled-Varsity Softball Midland @ Grand Blanc
-
GB Athletics Varsity Water Polo (Girls) Grand Blanc @ Birmingham Seaholm
-
Andrea Additions GBHS Theater Presents: Once Upon a Mattress
-
Friday, April 17
GBHS Theater Presents ~ Once Upon A Mattress
-
GB Athletics Freshman Baseball Bay City Western @ Grand Blanc
-
GB Athletics Junior Varsity Baseball Oxford @ Grand Blanc
-
GB Athletics Junior Varsity Tennis (Girls) Holt @ Grand Blanc
-
GB Athletics Cancelled-Junior Varsity Lacrosse (Boys) Grand Blanc @ Jenison
-
GB Athletics Varsity Lacrosse (Boys) Grand Blanc @ Jenison
-
Andrea Additions GBHS Theater Presents: Once Upon a Mattress
-
Saturday, April 18
GBHS Theater Presents ~ Once Upon A Mattress
-
GB Athletics Varsity Soccer (Girls) Grand Blanc @ Grand Ledge
-
GB Athletics Junior Varsity Soccer (Girls) Grand Blanc @ Okemos
-
GB Athletics Varsity Baseball @ Grand Blanc
-
GB Athletics Freshman Baseball Howell @ Grand Blanc
-
GB Athletics Varsity Baseball Howell @ Grand Blanc
-
GB Athletics Junior Varsity Baseball Grand Blanc @ Howell
-
GB Athletics Cancelled-Junior Varsity Lacrosse (Boys) Grand Blanc @ Lowell
-
GB Athletics Varsity Soccer (Girls) Grand Blanc @ Traverse City West
-
GB Athletics Varsity Baseball Howell @ Grand Blanc
-
GB Athletics Freshman Baseball Howell @ Grand Blanc
-
GB Athletics Junior Varsity Baseball Grand Blanc @ Howell
-
Andrea Additions GBHS Theater Presents: Once Upon a Mattress
-
GB Athletics Cancelled-Varsity Lacrosse (Boys) Grand Blanc @ Lowell
-
GB Athletics Varsity Lacrosse (Girls) Grand Blanc @ Clarkston
-
GB Athletics Junior Varsity Soccer (Girls) Rockford @ Grand Blanc
-
GB Athletics Junior Varsity Lacrosse (Girls) Grand Blanc @ Clarkston
-
Andrea Additions GBHS Theater Presents: Once Upon a Mattress
-
Sunday, April 19
Monday, April 20
GB Athletics Varsity Track and Field (Girls) Flint Carman-Ainsworth @ Lapeer
-
GB Athletics Varsity Track and Field (Boys) Flint Carman-Ainsworth @ Lapeer
-
GB Athletics Varsity Baseball Flint Carman-Ainsworth @ Grand Blanc
-
GB Athletics Varsity Softball Grand Blanc @ Flint Carman-Ainsworth
-
GB Athletics Junior Varsity Softball Grand Blanc @ Saginaw Swan Valley
-
GB Athletics Junior Varsity Soccer (Girls) Lapeer @ Grand Blanc
-
GB Athletics Junior Varsity Softball Grand Blanc @ Saginaw Swan Valley
-
GB Athletics Varsity Soccer (Girls) Lapeer @ Grand Blanc
-
Tuesday, April 21
GB Athletics Junior Varsity Softball Saline @ Grand Blanc
-
GB Athletics Varsity Softball Saline @ Grand Blanc
-
GB Athletics Junior Varsity Baseball Grand Blanc @ Davison
-
GB Athletics Freshman Baseball Lapeer @ Grand Blanc
-
Andrea Additions Bobcat Be Well Expo
-
GB Athletics Junior Varsity Lacrosse (Boys) Grand Blanc @ Saginaw Heritage
-
GB Athletics Junior Varsity Softball Saline @ Grand Blanc
-
GB Athletics Varsity Softball Saline @ Grand Blanc
-
GB Athletics Junior Varsity Lacrosse (Girls) Midland Dow @ Grand Blanc
-
GB Athletics Varsity Water Polo (Girls) Grand Blanc @ Birmingham Groves
-
GB Athletics Varsity Lacrosse (Girls) Midland Dow @ Grand Blanc
-
GB Athletics Varsity Lacrosse (Boys) Grand Blanc @ Saginaw Heritage
-
Wednesday, April 22
GB Athletics Junior Varsity Softball Grand Blanc @ Flushing
-
GB Athletics Varsity Baseball Grand Blanc @ Flint Carman-Ainsworth
-
GB Athletics Junior Varsity Soccer (Girls) Grand Blanc @ Davison
-
GB Athletics Varsity Soccer (Girls) Grand Blanc @ Davison
-
GB Athletics Varsity Volleyball (Boys) Grand Blanc @ Mount Pleasant
-
Thursday, April 23
GB Athletics Varsity Golf (Boys) Port Huron Northern @ Grand Blanc
-
GB Athletics Varsity Golf (Boys) St Johns @ Grand Blanc
-
GB Athletics Varsity Golf (Boys) DeWitt @ Grand Blanc
-
GB Athletics Junior Varsity Softball Grand Blanc @ Midland Dow
-
GB Athletics Varsity Softball Grand Blanc @ Midland Dow
-
GB Athletics Junior Varsity Lacrosse (Boys) Grand Blanc @ Flint Powers Catholic
-
GB Athletics Junior Varsity Lacrosse (Girls) Grand Blanc @ White Lake Lakeland
-
GB Athletics Varsity Softball Grand Blanc @ Midland Dow
-
GB Athletics Varsity Lacrosse (Boys) Grand Blanc @ Flint Powers Catholic
-
GB Athletics Varsity Volleyball (Boys) Durand @ Grand Blanc
-
GB Athletics Junior Varsity Softball Grand Blanc @ Midland Dow
-
Friday, April 24
Half Day (Afternoon PD for Staff)
All Day
Half Day (Afternoon PD for Staff)
All Day
1/2 DAY FOR STUDENTS/ STAFF PD
All Day
1/2 DAY FOR STUDENTS/ STAFF PD
All Day
GB Athletics Freshman Baseball Grand Blanc @ Flushing
-
GB Athletics Junior Varsity Baseball Grand Blanc @ Davison
-
GB Athletics Varsity Lacrosse (Girls) Grand Blanc @ White Lake Lakeland
-
Saturday, April 25
Varsity Baseball Frankenmuth @ Grand Blanc
-
Varsity Baseball Frankenmuth @ Grand Blanc
-
GB Athletics Junior Varsity Lacrosse (Girls) @ Grand Blanc
-
GB Athletics Junior Varsity Lacrosse (Girls) Linden @ Grand Blanc
-
GB Athletics Varsity Lacrosse (Girls) @ Grand Blanc
-
GB Athletics Varsity Lacrosse (Girls) Grand Blanc @ Saginaw Heritage
-
GB Athletics Varsity Soccer (Girls) @ Grand Blanc
-
GB Athletics Varsity Baseball Frankenmuth @ Grand Blanc
-
GB Athletics Junior Varsity Baseball Grand Blanc @ White Lake Lakeland
-
GB Athletics Freshman Baseball Hartland @ Grand Blanc
-
GB Athletics Freshman Baseball Hartland @ Grand Blanc
-
GB Athletics Junior Varsity Lacrosse (Boys) Grand Blanc @ Lake Orion
-
GB Athletics Varsity Soccer (Girls) Pontiac Notre Dame Prep @ Grand Blanc
-
GB Athletics Varsity Baseball Frankenmuth @ Grand Blanc
-
GB Athletics Junior Varsity Baseball Grand Blanc @ White Lake Lakeland
-
GB Athletics Varsity Baseball Frankenmuth @ Grand Blanc
-
GB Athletics Varsity Lacrosse (Boys) Grand Blanc @ Lake Orion
-
GB Athletics Varsity Lacrosse (Girls) Waterford Kettering @ Grand Blanc
-
Sunday, April 26
Varsity Baseball Frankenmuth @ Grand Blanc
-
Varsity Baseball Frankenmuth @ Grand Blanc
-
Monday, April 27
GB Athletics Junior Varsity Baseball Grand Blanc @ Flint Powers Catholic
-
GB Athletics Varsity Baseball Flint Powers Catholic @ Grand Blanc
-
GB Athletics Freshman Softball Ann Arbor Pioneer @ Grand Blanc
-
GB Athletics Junior Varsity Softball Ann Arbor Pioneer @ Grand Blanc
-
GB Athletics Varsity Softball Grand Blanc @ Flint Powers Catholic
-
GB Athletics Varsity Soccer (Girls) Flint Carman-Ainsworth @ Grand Blanc
-
GB Athletics Cancelled-Junior Varsity Soccer (Girls) @ Grand Blanc
-
GB Athletics Freshman Softball Ann Arbor Pioneer @ Grand Blanc
-
GB Athletics Varsity Water Polo (Girls) Troy @ Grand Blanc
-
GB Athletics Varsity Water Polo (Girls) Troy Athens @ Grand Blanc
-
GB Athletics Varsity Water Polo (Girls) Troy Athens @ Grand Blanc
-
GB Athletics Varsity Softball Grand Blanc @ Flint Powers Catholic
-
GB Athletics Junior Varsity Water Polo (Girls) Troy @ Grand Blanc
-
GB Athletics Junior Varsity Water Polo (Girls) Troy Athens @ Grand Blanc
-
GB Athletics Junior Varsity Water Polo (Girls) Troy Athens @ Grand Blanc
-
Tuesday, April 28
GB Athletics Junior Varsity Tennis (Girls) Lapeer @ Grand Blanc
-
GB Athletics Freshman Baseball Grand Blanc @ Davison
-
GB Athletics Varsity Tennis (Girls) Grand Blanc @ Lapeer
-
GB Athletics Junior Varsity Lacrosse (Girls) Grand Blanc @ Saginaw Heritage
-
GB Athletics Junior Varsity Soccer (Girls) Clarkston @ Grand Blanc
-
GB Athletics Junior Varsity Lacrosse (Boys) Grand Blanc @ Bay City Central
-
GB Athletics Varsity Lacrosse (Girls) Grand Blanc @ Saginaw Heritage
-
GB Athletics Varsity Lacrosse (Boys) Bay City Central @ Grand Blanc
-
GB Athletics Varsity Lacrosse (Boys) Bay City Central @ Grand Blanc
-
GB Athletics Varsity Soccer (Girls) Clarkston @ Grand Blanc
-
Wednesday, April 29
GB Athletics Varsity Baseball Grand Blanc @ Flint Powers Catholic
-
GB Athletics Junior Varsity Softball Grand Blanc @ Saline
-
GB Athletics Junior Varsity Baseball Flint Powers Catholic @ Grand Blanc
-
GB Athletics Varsity Volleyball (Boys) Grand Blanc @ Midland
-
GB Athletics Varsity Water Polo (Girls) Grand Blanc @ Ann Arbor Huron
-
GB Athletics Junior Varsity Water Polo (Girls) Grand Blanc @ Ann Arbor Huron
-
Thursday, April 30
GB Athletics Varsity Tennis (Girls) Grand Blanc @ Flint Powers Catholic
-
GB Athletics Junior Varsity Softball Grand Blanc @ Bay City John Glenn
-
GB Athletics Varsity Lacrosse (Boys) Lapeer @ Grand Blanc
-
GB Athletics Varsity Lacrosse (Girls) Grand Blanc @ Davison
-
GB Athletics Junior Varsity Softball Grand Blanc @ Bay City John Glenn
-
Friday, May 1
GB Athletics Freshman Baseball Grand Blanc @ Bay City Western
-
GB Athletics Cancelled-Freshman Baseball Midland @ Grand Blanc
-
GB Athletics Freshman Baseball Grand Blanc @ Bay City Western
-
GB Athletics Junior Varsity Lacrosse (Boys) Romeo @ Grand Blanc
-
GB Athletics Varsity Lacrosse (Boys) Romeo @ Grand Blanc
-
Saturday, May 2
GB Athletics Varsity Softball @ Grand Blanc
-
GB Athletics Varsity Softball @ Grand Blanc
-
GB Athletics Freshman Baseball Grand Blanc @ Hartland
-
GB Athletics Junior Varsity Baseball Hartland @ Grand Blanc
-
GB Athletics Junior Varsity Lacrosse (Girls) Grand Blanc @ Lake Orion
-
GB Athletics Varsity Softball @ Grand Blanc
-
GB Athletics Freshman Baseball Grand Blanc @ Hartland
-
GB Athletics Varsity Lacrosse (Girls) Grand Blanc @ Lake Orion
-
GB Athletics Varsity Softball @ Grand Blanc
-

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