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September 2026
Monday Tuesday Wednesday Thursday Friday Sat/Sun
Monday, August 31
Grs 7, 8 & 9 First Full Day of School
All Day
Grs 7, 8 & 9 First Full Day of School
All Day
Grades PS-6 School Calendar Grs PS & PK Meet & Greet
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St. Margaret Hall
Tuesday, September 1
Grs K-6 First Full Day of School
All Day
Grs K-6 First Full Day of School
All Day
Grs 7-12 First Full Day of School
All Day
Grs 7-12 First Full Day of School
All Day
Grades 7-12 School Calendar HS All Sports Parent Meeting
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Keith Gymnasium
Wednesday, September 2
First Day - ECP
All Day
First Day - ECP
All Day
First Day - PS & PK 8:30 AM arrival
All Day
First Day - PS & PK 8:30 AM arrival
All Day
Grades 7-12 School Calendar Grs 7 & 8 Fall EAA Sports Parent Meeting
-
Nangle Hall
Thursday, September 3
Friday, September 4
No School - Labor Day Weekend
All Day
No School - Labor Day Weekend
All Day
No School - Labor Day Weekend
All Day
No School - Labor Day Weekend
All Day
Saturday, September 5
Sunday, September 6
Monday, September 7
No School - Labor Day
All Day
No School - Labor Day
All Day
No School - Labor Day
All Day
No School - Labor Day
All Day
Tuesday, September 8
Grs. 7-12 Picture Day
All Day
Grs. 7-12 Picture Day
All Day
Wednesday, September 9
Thursday, September 10
Grades 7-12 School Calendar Grs 7-12 Walking School Rosary
-
Campus Ministry
Grades PS-6 School Calendar Grs 1-6 Back to School Night
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Keith Gymnasium & St. Margaret Hall
Friday, September 11
Grs 2-6 Formal Day
All Day
Grs 2-6 Formal Day
All Day
Grs 7-12 Formal Day
All Day
Grs 7-12 Formal Day
All Day
Grades 7-12 School Calendar Grs 7-12 Adoration
-
Campus Ministry
Saturday, September 12
Grades 7-12 School Calendar Grs 9-12 Dungeons & Dragons
-
Ryken Hall
Sunday, September 13
Monday, September 14
Grs PS-6 Picture Day
All Day
Grs PS-6 Picture Day
All Day
Gr 12 Senior Privilege Begins
All Day
Gr 12 Senior Privilege Begins
All Day
Tuesday, September 15
Wednesday, September 16
Grades 7-12 School Calendar Grs 9-12 College Connection Wednesdays
-
Ryken Hall
Grades 7-12 School Calendar Senior Fall Athletes Banner Photos
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Ryken Hall
Thursday, September 17
Grades 7-12 School Calendar Grs 7-12 Walking School Rosary
-
Campus Ministry
Friday, September 18
Grs 7-12 Late Arrival
All Day
Grs 7-12 Late Arrival
All Day
Grs PS-6 Late Arrival
All Day
Grs PS-6 Late Arrival
All Day
Grades PS-6 School Calendar Grs PS-6 Ice Cream Social
-
Nangle Hall
Saturday, September 19
Sunday, September 20
Monday, September 21
Grades 7-12 School Calendar Grs 7-12 Crusader Aider Open Time
-
Campus Ministry
Grades 7-12 School Calendar VIRTUS Training - 24 Hour Pre-Registration Required
-
Ryken Hall
Grades PS-6 School Calendar VIRTUS Training - 24 Hour Pre-Registration Required
-
Ryken Hall
Tuesday, September 22
Grs. 7 & 8 Fall NWEA MAP Testing
All Day
Grs. 7 & 8 Fall NWEA MAP Testing
All Day
Wednesday, September 23
Grs. 7 & 8 Fall NWEA MAP Testing
All Day
Grades 7-12 School Calendar Grs 9-12 College Connection Wednesdays
-
Ryken Hall
Grades 7-12 School Calendar Grs 9-12 Homecoming Dance Ticket Sales
-
Thursday, September 24
Grs 7 & 8 Makeup Fall NWEA MAP Testing
All Day
Grs 7 & 8 Makeup Fall NWEA MAP Testing
All Day
Grades 7-12 School Calendar Grs 7-12 Walking School Rosary
-
Campus Ministry
Grades 7-12 School Calendar Grs 9-12 Homecoming Dance Ticket Sales
-
Grades 7-12 School Calendar College Planning Night for Seniors & Parents
-
Donahue Auditorium at McNamara Hall
Friday, September 25
Grs PS-6 P.A.C.E Casual Day $5.00
All Day
Grs PS-6 P.A.C.E Casual Day $5.00
All Day
Grs 9-12 Choice Block begins
All Day
Grs 9-12 Choice Block begins
All Day
Grades 7-12 School Calendar Grs 7-12 Adoration
-
Campus Ministry
Grades 7-12 School Calendar Grs 9-12 Homecoming Dance Ticket Sales
-
Saturday, September 26
Sunday, September 27
Monday, September 28
Grades 7-12 School Calendar Grs 7-12 Crusader Aider Open Time
-
Campus Ministry
Grades 7-12 School Calendar Emergency Communication Test
-
Grades PS-6 School Calendar Emergency Communication Test
-
Tuesday, September 29
Wednesday, September 30
Grades 7-12 School Calendar Grs 9-12 College Connection Wednesdays
-
Ryken Hall
Thursday, October 1
Grades 7-12 School Calendar Grs 7-12 Walking School Rosary
-
Campus Ministry
Friday, October 2
Grs PS-6 27th Annual Walk-A-Thon – 12:00 PM Early Dismissal
All Day
Grs PS-6 27th Annual Walk-A-Thon – 12:00 PM Early Dismissal
All Day
Grs 7-12 27th Annual Walk-A-Thon – 12:00 PM Early Dismissal
All Day
Grs 7-12 27th Annual Walk-A-Thon – 12:00 PM Early Dismissal
All Day
Grades 7-12 School Calendar Homecoming Football Game
-
Chelmsford High School Stadium, 200 Richardson Rd, North Chelmsford, MA 01863, USA
Saturday, October 3
Grades 7-12 School Calendar Grs 9-12 Homecoming Dance
-
Keith Gymnasium
Sunday, October 4
LC Day Of Giving
All Day
LC Day Of Giving
All Day
LC Day Of Giving
All Day
LC Day Of Giving
All Day