Calendar
2025-2026 Half Day School Improvement Days (SI):
September 17
October 22
November 19
January 28
March 25
September 17
October 22
November 19
January 28
March 25
April 29
Please note: For MSD15 PreK students, half-days are non-attendance
SCHOOL IMPROVEMENT DAY (Half Day Schedule)
K-5: 8:35am – 11:35am
6-8: 7:45am – 10:45am
SCHOOL HOURS
MONDAY - FRIDAY
Preschool:
8:55am-11:25am (AM Session)
12:25pm-2:55pm (PM Session)
K-5: 8:35am-3:25pm
MMS: 7:45am-2:45pm
Calendar
December 2025
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday, November 30
Monday, December 1
Tuesday, December 2
Wednesday, December 3
Thursday, December 4
Friday, December 5
Saturday, December 6
Sunday, December 7
Monday, December 8
Tuesday, December 9
Wednesday, December 10
Thursday, December 11
Friday, December 12
Saturday, December 13
Sunday, December 14
Monday, December 15
Tuesday, December 16
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Marquardt Middle School
MMS Choir Concert
PAC, 1912 Glen Ellyn Rd. Glendale Heights, Il
Wednesday, December 17
Thursday, December 18
Friday, December 19
Saturday, December 20
Sunday, December 21
Monday, December 22
Tuesday, December 23
Wednesday, December 24
Thursday, December 25
Friday, December 26
Saturday, December 27
Sunday, December 28
Monday, December 29
Tuesday, December 30
Wednesday, December 31
Thursday, January 1
Friday, January 2
Saturday, January 3
Calendar & Category Legend:
- Black Hawk Elementary Black Hawk Elementary
- Charles G Reskin Elementary Charles G Reskin Elementary
- District Calendar District Calendar
- Hall Elementary Hall Elementary
- Marquardt Middle School Marquardt Middle School
- Winnebago Elementary Winnebago Elementary
