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Calendar

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December 2025
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Sunday, November 30
Monday, December 1
Centennial Elementary Calendar Kindergarten registration opens for 2026-27
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
District Calendar American Indian Parent Advisory Committee Meeting
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Centennial High School, Rm. 435 (West Bldg.)
Thursday, December 11
Centennial Elementary Calendar CEPO Meeting online only
-
Friday, December 12
Centennial Elementary Calendar 1 pm preschool early release
Saturday, December 13
Sunday, December 14
Monday, December 15
Tuesday, December 16
Wednesday, December 17
Thursday, December 18
Subscribe to Calendar Alerts Centennial Elementary Calendar CTE Unclaimed Lost & Found items donated at 4 pm
Friday, December 19
Saturday, December 20
Sunday, December 21
Monday, December 22
Subscribe to Calendar Alerts District Calendar No School - Winter Break
All Day
Tuesday, December 23
Subscribe to Calendar Alerts District Calendar No School - Winter Break
All Day
Wednesday, December 24
Subscribe to Calendar Alerts District Calendar No School - Winter Break
All Day
Thursday, December 25
Subscribe to Calendar Alerts District Calendar No School - Winter Break
All Day
Friday, December 26
Subscribe to Calendar Alerts District Calendar No School - Winter Break
All Day
Saturday, December 27
Sunday, December 28
Monday, December 29
Subscribe to Calendar Alerts District Calendar No School - Winter Break
All Day
Tuesday, December 30
Subscribe to Calendar Alerts District Calendar No School - Winter Break
All Day
Wednesday, December 31
Subscribe to Calendar Alerts District Calendar No School - Winter Break
All Day
Thursday, January 1
Subscribe to Calendar Alerts District Calendar No School - New Year's Day - Winter Break
All Day
Friday, January 2
Subscribe to Calendar Alerts District Calendar No School - Winter Break
All Day
Saturday, January 3

Calendar & Category Legend:

  • District Calendar District Calendar
  • Centennial Elementary Calendar Centennial Elementary Calendar
Date Range
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Academic Calendars

If you need calendars in an alternative format, please contact your student's school or send an email to info@isd12.org.

2025-2026 District Student Calendar

2025-26 Elementary Student Letter Day Calendar

2026-2027 District Student Calendar