Columbia Secondary School Calendar

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September 2026 Sep 2026

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1

September 1 Tuesday

2

September 2 Wednesday

3

September 3 Thursday

Columbia Secondary School

Sixth Grade Bridge-to-school

Thursday, September 3 - September 4 Multi-Day Event

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4

September 4 Friday

Columbia Secondary School

School Spirit Wear Sale (PTA)

Friday, September 4 All-Day Event

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5

September 5 Saturday

6

September 6 Sunday

7

September 7 Monday

8

September 8 Tuesday

Columbia Secondary School

First Days of school for Teachers/Staff

Tuesday, September 8 - September 9 Multi-Day Event

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9

September 9 Wednesday

10

September 10 Thursday

Columbia Secondary School

First Days of School for Students

Thursday, September 10 All-Day Event

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11

September 11 Friday

12

September 12 Saturday

13

September 13 Sunday

14

September 14 Monday

15

September 15 Tuesday

Columbia Secondary School

Hispanic Heritage Month

Tuesday, September 15 - October 15 Multi-Day Event

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Columbia Secondary School

Senior College Night (Virtual)

Tuesday, September 15 All-Day Event

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16

September 16 Wednesday

Columbia Secondary School

1st PTA Meeting

Wednesday, September 16 All-Day Event

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17

September 17 Thursday

Columbia Secondary School

1st SLT meeting

Thursday, September 17 All-Day Event

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18

September 18 Friday

Columbia Secondary School

HS Club fair (tentative)

Friday, September 18 All-Day Event

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19

September 19 Saturday

20

September 20 Sunday

Columbia Secondary School

Hispanic Heritage Month

Tuesday, September 15 - October 15 Multi-Day Event

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21

September 21 Monday

Columbia Secondary School

Yom Kippur (school closed)

Monday, September 21 All-Day Event

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22

September 22 Tuesday

Columbia Secondary School

CSS Musical Auditions

Tuesday, September 22 - September 23 Multi-Day Event

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Columbia Secondary School

HS clubs Begin

Tuesday, September 22 All-Day Event

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23

September 23 Wednesday

Columbia Secondary School

6th Grade Parent Night Out (PTA)

Wednesday, September 23 All-Day Event

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24

September 24 Thursday

25

September 25 Friday

26

September 26 Saturday

27

September 27 Sunday

Columbia Secondary School

Hispanic Heritage Month

Tuesday, September 15 - October 15 Multi-Day Event

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Columbia Secondary School

Family Hot Chocolate Hangout

Sunday, September 27 All-Day Event

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28

September 28 Monday

29

September 29 Tuesday

Columbia Secondary School

CSS Musical Callbacks

Tuesday, September 29 All-Day Event

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Columbia Secondary School

Map Testing

Tuesday, September 29 All-Day Event

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30

September 30 Wednesday