Calendar
During school improvement days, teachers, administrators, and staff members collaborate to enhance their abilities and develop the curriculum, ensuring they are fully equipped to support student success at all stages. MSD15 aims to provide students with a dynamic, mastery-driven learning experience, including hands-on workshops and collaborative planning.
Academic 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
Calendar
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday, March 1
Monday, March 2
Tuesday, March 3
Wednesday, March 4
Thursday, March 5
Friday, March 6
Saturday, March 7
Sunday, March 8
Monday, March 9
Tuesday, March 10
Wednesday, March 11
Thursday, March 12
Friday, March 13
Saturday, March 14
Sunday, March 15
Monday, March 16
Tuesday, March 17
Wednesday, March 18
Thursday, March 19
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Charles G. Reskin Elementary
Bilingual Parent Advisory Committee (BPAC) @ District Office
-
1860 Glen Ellyn Rd., Glendale Heights, Il 60139
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Marquardt Middle School
Symphonic Band Concert & Clinic
PAC, 1912 Glen Ellyn Rd. Glendale Heights, Il
Friday, March 20
Saturday, March 21
Sunday, March 22
Monday, March 23
Tuesday, March 24
Wednesday, March 25
Thursday, March 26
Friday, March 27
Saturday, March 28
Sunday, March 29
Monday, March 30
Tuesday, March 31
Wednesday, April 1
Thursday, April 2
Friday, April 3
Saturday, April 4
Calendar & Category Legend:
- BlackHawk Elementary BlackHawk Elementary
- Charles G. Reskin Elementary Charles G. Reskin Elementary
- District Calendar District Calendar
- G. Stanley Hall Elementary G. Stanley Hall Elementary
- Marquardt Middle School Marquardt Middle School
- Winnebago Elementary Winnebago Elementary

