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Thunder Bay CDSB 2026-2027 School Calendar Holidays, breaks, and no school days

Next no-school day
Monday
October 12
Thanksgiving
No-school days
27 weekdays
12 single days + 15 break days
First day
Thursday
September 3
2026
Last day
Tuesday
June 29
2027
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School year at a glance

First Day Last Day No School Break School Day
September 2026
SuMoTuWeThFrSa
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30
October 2026
SuMoTuWeThFrSa
1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31
November 2026
SuMoTuWeThFrSa
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30
December 2026
SuMoTuWeThFrSa
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31
January 2027
SuMoTuWeThFrSa
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31
February 2027
SuMoTuWeThFrSa
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28
March 2027
SuMoTuWeThFrSa
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31
April 2027
SuMoTuWeThFrSa
1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30
May 2027
SuMoTuWeThFrSa
1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30 31
June 2027
SuMoTuWeThFrSa
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30

Longer breaks

Winter Break
Sat, Dec 19 – Sun, Jan 3
16 days off
10 school + 6 weekend days
Spring Break
Sat, Mar 13 – Sun, Mar 21
9 days off
5 school + 4 weekend days

All 2026-2027 dates

No-school days, breaks and schedule changes, month by month.

September 2026

  • Professional Development Day Wednesday, September 2nd No school
  • First Day of School Thursday, September 3rd First day
  • Labour Day Monday, September 7th No school

October 2026

  • Thanksgiving Monday, October 12th No school
  • Professional Development Day Monday, October 26th No school

November 2026

  • Professional Development Day Friday, November 27th No school

December 2026

  • Winter Break Monday, December 21st – Friday, January 1st · 10 school days off Break

January 2027

  • Professional Development Day Friday, January 29th No school

February 2027

  • Family Day Monday, February 15th No school
  • Professional Development Day Friday, February 26th No school

March 2027

  • Spring Break Monday, March 15th – Friday, March 19th · 5 school days off Break
  • Good Friday Friday, March 26th No school
  • Easter Monday Monday, March 29th No school

April 2027

  • Professional Development Day Friday, April 30th No school

May 2027

  • Victoria Day Monday, May 24th No school

June 2027

  • Professional Development Day Friday, June 11th No school
  • Last Day of School Tuesday, June 29th Last day

Schools using this calendar

21 schools follow the Thunder Bay CDSB calendar.

Browse all schools (A–Z)
B
Bishop E. Q. Jennings Senior Elementary SchoolBishop Gallagher Senior Catholic Elementary School
C
Corpus Christi Catholic Elementary School
H
Holy Cross Catholic Elementary SchoolHoly Family Catholic Elementary School
O
Our Lady Of Charity Catholic Elementary School
P
Pope John Paul Ii Elementary School
S
St Ann Catholic Elementary SchoolSt Bernard Catholic Elementary SchoolSt Elizabeth Catholic Elementary SchoolSt Francis Catholic Elementary SchoolSt Ignatius High SchoolSt Jude Catholic Elementary SchoolSt Margaret Catholic Elementary SchoolSt Martin Catholic Elementary SchoolSt Patrick High SchoolSt Paul Catholic Elementary SchoolSt Pius X Catholic Elementary SchoolSt Thomas Aquinas Catholic Elementary SchoolSt Vincent Catholic Elementary School
T
Tb Catholic Alternative Education

Frequently Asked Questions

When is there no school at Thunder Bay CDSB in 2026-2027?
There's no school at Thunder Bay CDSB on 13 single days in 2026-2027: Wednesday, September 2 (Professional Development Day); Monday, September 7 (Labour Day); Monday, October 12 (Thanksgiving); Monday, October 26 (Professional Development Day); Friday, November 27 (Professional Development Day); Friday, January 29 (Professional Development Day); Monday, February 15 (Family Day); Friday, February 26 (Professional Development Day); Friday, March 26 (Good Friday); Monday, March 29 (Easter Monday), and three more. Breaks: Winter Break (Monday, December 21 to Friday, January 1) and Spring Break (Monday, March 15 to Friday, March 19).
When is the first and last day of school at Thunder Bay CDSB in 2026-2027?
The first day of school at Thunder Bay CDSB is Thursday, September 3, 2026. The last day of school is Tuesday, June 29, 2027. That's a school year of about 43 weeks.
How many school days are in the 2026-2027 school year at Thunder Bay CDSB?
About 187 school days: the weekdays from the first day to the last day, minus days off.
How many days off does Thunder Bay CDSB have in 2026-2027?
About 27 weekdays with no school, not counting weekends or summer. That's 15 weekdays of breaks plus 12 single days off. There are also 12 long weekends, where a Friday or Monday off joins the weekend.
What is the longest break at Thunder Bay CDSB in 2026-2027?
Winter Break is the longest: 16 days in a row with no school, from Saturday, December 19 to Sunday, January 3, including weekends (ten school days off).
What is the longest stretch of school without a day off?
Twenty-four school days in a row (about five weeks), from Tuesday, September 8 to Friday, October 9.
Which month has the most days off at Thunder Bay CDSB?
December has the most, with nine weekdays off.

Counts are approximate and based on the published calendar.

Source: Thunder Bay CDSB, last updated Oct. 2026. Dates can change, so confirm with the school before making plans.

All 2026-2027 school calendars

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