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September 2026
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Sunday, August 30
Monday, August 31
A Day
District Calendar CSD First Day of School/Kindergarten Orientation
All Day
Tuesday, September 1
B DAY
District Calendar CSD First Day of Kindergarten Classes
All Day
Colonial Middle Calendar CMS 6th Grade Open House
Wednesday, September 2
A DAY
Colonial Middle Calendar CMS 7th and 8th Grade Open House
Thursday, September 3
B DAY
Friday, September 4
A DAY
Saturday, September 5
Sunday, September 6
Monday, September 7
District Calendar CSD Holiday/Labor Day
All Day
Tuesday, September 8
B DAY
District Calendar CBOSD Finance/Facilities Management & Transportation/Human Resources Committee Meetings
Wednesday, September 9
A DAY
Thursday, September 10
B DAY
Colonial Middle Calendar CMS PTO Meeting
Friday, September 11
A DAY
Saturday, September 12
Sunday, September 13
Monday, September 14
Subscribe to Calendar Alerts B DAY
Subscribe to Calendar Alerts District Calendar CBOSD Curriculum/Community Relations & Student Life/Safety & Wellness Committee Meetings
Subscribe to Calendar Alerts Colonial Middle Calendar CMS Colonial TSA Kick-Off Meeting
Tuesday, September 15
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Wednesday, September 16
Subscribe to Calendar Alerts B DAY
Thursday, September 17
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Subscribe to Calendar Alerts Colonial Middle Calendar CMS All Grades Picture Day
Subscribe to Calendar Alerts District Calendar CBOSD General Meeting
Friday, September 18
Subscribe to Calendar Alerts B DAY
Subscribe to Calendar Alerts District Calendar CSD PLT Day/Early Dismissal for Students
All Day
Saturday, September 19
Sunday, September 20
Monday, September 21
Subscribe to Calendar Alerts District Calendar CSD Holiday/Yom Kippur
All Day
Tuesday, September 22
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Wednesday, September 23
Subscribe to Calendar Alerts B DAY
Thursday, September 24
Subscribe to Calendar Alerts A DAY
Friday, September 25
Subscribe to Calendar Alerts B DAY
Saturday, September 26
Sunday, September 27
Monday, September 28
Subscribe to Calendar Alerts A DAY
Subscribe to Calendar Alerts Colonial Middle Calendar CMS Riverbend Environmental Education Center Field Trip
All Day
Tuesday, September 29
Subscribe to Calendar Alerts B DAY
Subscribe to Calendar Alerts Colonial Middle Calendar CMS Riverbend Environmental Education Center Field Trip
All Day
Subscribe to Calendar Alerts District Calendar CSD K-3 Math Resource Night
Wednesday, September 30
Subscribe to Calendar Alerts A DAY
Subscribe to Calendar Alerts Colonial Middle Calendar CMS Riverbend Environmental Education Center Field Trip
All Day
Thursday, October 1
Subscribe to Calendar Alerts B DAY
Subscribe to Calendar Alerts Colonial Middle Calendar CMS Riverbend Environmental Education Center Field Trip
All Day
Friday, October 2
Subscribe to Calendar Alerts A DAY
Saturday, October 3

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