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Mt. Diablo High School Calendar
May 2026
Monday
Tuesday
Wednesday
Thursday
Friday
Sat/Sun
Monday, April 27
Tuesday, April 28
Wednesday, April 29
Thursday, April 30
Blood Drive in the Small Gym
All Day
CTE Showcase @ John Muir
All Day
Open House
All Day
Friday, May 1
Multicultural Rally
All Day
Saturday, May 2
Sunday, May 3
Monday, May 4
Tuesday, May 5
Saturday, May 9
Sunday, May 10
Monday, May 11
Tuesday, May 12
Wednesday, May 13
Friday, May 15
Saturday, May 16
Sunday, May 17
Monday, May 18
Tuesday, May 19
Wednesday, May 20
Friday, May 22
Senior Finals
All Day
Saturday, May 23
Sunday, May 24
Monday, May 25
Memorial Day - No School
All Day
Tuesday, May 26
Wednesday, May 27
Thursday, May 28
Friday, May 29
FINALS period 1 & 2
All Day
Saturday, May 30
Sunday, May 31