Calendars and Events

2025-2026 SCHOOL CALENDAR AT-A-GLANCE

Published and last updated: September 2025

2026-2027 SCHOOL CALENDAR AT-A-GLANCE

Published and last updated: November 2025

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February

Thu Feb 12

Schoolwide Bulldog Week

ICSB

Thu Feb 12

All Athletic ICSB Winter Classic

ICSB Gymnasium

Thu Feb 12

Early Grades Ballet Club for 1st and 2nd grade Girls

3:45 PM - 4:45 PM

West Chapel

Thu Feb 12

Early Grades Ukulele Club CANCELLED

3:45 PM - 4:30 PM

Lower School Music Room

Thu Feb 12

Schoolwide Used Book Sale/Swap

4:00 PM - 7:00 PM

ICSB Library

Fri Feb 13

Schoolwide Bulldog Week

ICSB

Fri Feb 13

All Athletic ICSB Winter Classic

all day

ICSB Gymnasium

Fri Feb 13

Schoolwide No School for Students / Winter Classic

ICSB Gym

Fri Feb 13

Schoolwide Used Book Sale/Swap

9:00 AM - 4:00 PM

ICSB Library

Sat Feb 14

All Athletic ICSB Winter Classic

all day

ICSB Gymnasium

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February 2026

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

Sunday, February 1

Monday, February 2

Schoolwide Library Accepting Donations for the Used Book Sale/Swap

All Day

ICSB Library

Middle Grades MAP Testing Window

All Athletic Upper School Boys Basketball Practice

3:45 PM - 5:45 PM

ICSB Gymnasium

Middle Grades MG Dance Club

4:00 PM - 5:50 PM

West Chapel

All Athletic Upper School Girls Basketball Practice

5:30 PM - 7:30 PM

ICSB Gymnasium

Tuesday, February 3

Schoolwide Library Accepting Donations for the Used Book Sale/Swap

All Day

ICSB Library

Middle Grades MAP Testing Window

All Athletic MG Boys Basketball Practice

3:45 PM - 5:30 PM

ICSB Gymnasium

Early Grades Quiz It! Club

3:45 PM - 4:30 PM

ICSB Cafeteria

All Athletic Upper School Boys Basketball Weight Training

4:00 PM - 5:00 PM

ICSB Weight Room

Upper School Upper School Girls Dance Team Practice

4:00 PM - 5:30 PM

West Chapel

All Athletic Upper School Girls Basketball Practice

5:15 PM - 7:15 PM

ICSB Gymnasium

Wednesday, February 4

Schoolwide Library Accepting Donations for the Used Book Sale/Swap

All Day

ICSB Library

Middle Grades MAP Testing Window

Schoolwide Report Cards Published

Upper School Upper School Swim Club Practice

6:00 AM - 7:00 AM

Hajós Alfréd Tanuszoda

Staff Events All Staff Meeting

3:00 PM - 4:00 PM

West Chapel

All Athletic MG Girls Basketball Practice

3:00 PM - 4:45 PM

ICSB Gymnasium

All Athletic Varsity Boys Basketball Practice

4:30 PM - 6:30 PM

ICSB Gymnasium

All Athletic JV Boys Basketball Practice

6:15 PM - 8:00 PM

ICSB Gymnasium

Thursday, February 5

Schoolwide Library Accepting Donations for the Used Book Sale/Swap

All Day

ICSB Library

Middle Grades MAP Testing Window

Early Grades Ballet Club for 1st and 2nd grade Girls

3:45 PM - 4:45 PM

West Chapel

All Athletic JV Boys Basketball Practice

3:45 PM - 5:45 PM

ICSB Gymnasium

Middle Grades MG FCA Meeting

3:45 PM - 4:30 PM

ICSB Cafeteria

Early Grades Ukulele Club

3:45 PM - 4:30 PM

Lower School Music Room

All Athletic Upper School Girls Basketball Practice CANCELLED

3:45 PM - 5:45 PM

ICSB Gymnasium

All Athletic Varsity Girls Basketball Game at AISB

4:45 PM

AISB - Budapest

All Athletic Varsity Boys Basketball Practice

5:30 PM - 7:30 PM

ICSB Gymnasium

Friday, February 6

Schoolwide Library Accepting Donations for the Used Book Sale/Swap

All Day

ICSB Library

Middle Grades MAP Testing Window

All Athletic MG Girls Basketball Practice

3:45 PM - 5:30 PM

ICSB Gymnasium

All Athletic Upper School Boys Basketball Weight Training

4:00 PM - 5:00 PM

ICSB Weight Room

Upper School Upper School Girls Dance Team Practice

4:00 PM - 5:30 PM

West Chapel

All Athletic JV Girls Budapest Cup Tournament

5:00 PM

BISB - Budapest

All Athletic MG Boys Basketball Practice

5:15 PM - 7:00 PM

ICSB Gymnasium

Saturday, February 7

All Athletic DVAC Swimming Final

All Day

Prague, Czechia

Upper School UPP Dance Team Practice

10:00 AM - 2:00 PM

ICSB Gymnasium

All Athletic UPP Boys Basketball Open Gym

2:00 PM - 4:00 PM

ICSB Gymnasium

All Athletic UPP Girls Basketball Open Gym

3:30 PM - 5:00 PM

ICSB Gymnasium

Sunday, February 8

Monday, February 9

Schoolwide Bulldog Week

ICSB

Schoolwide Library Accepting Donations for the Used Book Sale/Swap

All Day

ICSB Library

All Athletic Varsity Boys Basketball Practice

3:45 PM - 5:45 PM

ICSB Gymnasium

Middle Grades MG Dance Club

4:00 PM - 5:50 PM

West Chapel

All Athletic JV Boys Basketball Game vs LFB

5:15 PM

Lycée Français de Budapest

All Athletic Upper School Girls Basketball Practice

5:30 PM - 7:30 PM

ICSB Gymnasium

Tuesday, February 10

Schoolwide Bulldog Week

ICSB

Schoolwide Library Accepting Donations for the Used Book Sale/Swap

All Day

ICSB Library

Schoolwide International Festival Meeting

8:30 AM - 9:30 AM

West Chapel

Early Grades Quiz It! Club

3:45 PM - 4:30 PM

ICSB Cafeteria

All Athletic Upper School Girls Basketball Practice CHANGED: This occurrence has been changed.

3:45 PM - 5:15 PM

ICSB Gymnasium

All Athletic Upper School Boys Basketball Weight Training

4:00 PM - 5:00 PM

ICSB Weight Room

Upper School Upper School Girls Dance Team Practice

4:00 PM - 5:30 PM

West Chapel

All Athletic MG Girls A-Team Basketball Game vs LFB

5:30 PM

ICSB Gymnasium

Wednesday, February 11

Schoolwide Bulldog Week

ICSB

Schoolwide Library Accepting Donations for the Used Book Sale/Swap

All Day

ICSB Library

All Athletic MG Girls Basketball Practice

3:00 PM - 4:45 PM

ICSB Gymnasium

Staff Events Teacher Meeting by Division

3:00 PM - 4:00 PM

All Athletic Upper School Boys Basketball Weight Training

3:00 PM - 4:00 PM

ICSB Weight Room

All Athletic Varsity Boys Basketball Practice CHANGED: This occurrence has been changed.

4:30 PM - 6:30 PM

ICSB Gymnasium

All Athletic MG Boys A and B-Team Games vs BISB

5:00 PM

BISB - Budapest

All Athletic JV Boys Basketball Practice CHANGED: This occurrence has been changed.

6:15 PM - 8:00 PM

ICSB Gymnasium

Thursday, February 12

Schoolwide Bulldog Week

ICSB

All Athletic ICSB Winter Classic

ICSB Gymnasium

Early Grades Ballet Club for 1st and 2nd grade Girls

3:45 PM - 4:45 PM

West Chapel

Early Grades Ukulele Club CANCELLED

3:45 PM - 4:30 PM

Lower School Music Room

Schoolwide Used Book Sale/Swap

4:00 PM - 7:00 PM

ICSB Library

Friday, February 13

Schoolwide Bulldog Week

ICSB

All Athletic ICSB Winter Classic

All Day

ICSB Gymnasium

Schoolwide No School for Students / Winter Classic

ICSB Gym

Schoolwide Used Book Sale/Swap

9:00 AM - 4:00 PM

ICSB Library

Saturday, February 14

All Athletic ICSB Winter Classic

All Day

ICSB Gymnasium

Schoolwide Winter Classic

ICSB Gym

Schoolwide Used Book Sale/Swap

9:00 AM - 2:00 PM

ICSB Library

Sunday, February 15

Monday, February 16

Schoolwide Winter Break

Middle Grades MG Dance Club

4:00 PM - 5:50 PM

West Chapel

Tuesday, February 17

Schoolwide Winter Break

Early Grades Quiz It! Club

3:45 PM - 4:30 PM

ICSB Cafeteria

Wednesday, February 18

Schoolwide Winter Break

Middle Grades Library Open Hours

9:00 AM - 11:00 AM

ICSB Library

Thursday, February 19

Schoolwide Winter Break

Early Grades Ukulele Club

3:45 PM - 4:30 PM

Lower School Music Room

Friday, February 20

Schoolwide Winter Break

Saturday, February 21

Schoolwide No School Events Weekend

All Athletic UPP Boys Basketball Open Gym

1:00 PM - 3:00 PM

ICSB Gymnasium

All Athletic UPP Girls Basketball Open Gym

3:00 PM - 5:00 PM

ICSB Gymnasium

Sunday, February 22

Schoolwide No School Events Weekend

Monday, February 23

All Athletic JV Boys Basketball Game vs Britannica

4:00 PM - 5:00 PM

ICSB Gymnasium

Middle Grades MG Dance Club

4:00 PM - 5:50 PM

West Chapel

All Athletic Varsity Girls Basketball Game vs Britannica CHANGED: Now a Varsity Game

5:15 PM - 6:30 PM

ICSB Gymnasium

Tuesday, February 24

Schoolwide The 1994 Society Brunch

8:30 AM - 10:30 AM

West Chapel

Early Grades Quiz It! Club

3:45 PM - 4:30 PM

ICSB Cafeteria

All Athletic MG Boys B-Team Basketball Game vs Britannica

4:00 PM - 5:15 PM

ICSB Gymnasium

All Athletic Upper School Boys Basketball Weight Training

4:00 PM - 5:00 PM

ICSB Weight Room

All Athletic Upper School Girls Basketball Practice

5:15 PM - 7:15 PM

ICSB Gymnasium

Wednesday, February 25

Schoolwide Half Day for Students - 11:45 Dismissal

Staff Events Half Day - Professional Development

12:45 PM - 4:00 PM

All Athletic MG Girls Basketball Practice

3:00 PM - 4:45 PM

ICSB Gymnasium

All Athletic Upper School Boys Basketball Weight Training

3:00 PM - 4:00 PM

ICSB Weight Room

All Athletic Varsity Boys Basketball Practice

4:30 PM - 6:30 PM

ICSB Gymnasium

All Athletic JV Boys Basketball Practice

6:15 PM - 8:00 PM

ICSB Gymnasium

Thursday, February 26

Staff Events Board Retreat

Early Grades Ballet Club for 1st and 2nd grade Girls

3:45 PM - 4:45 PM

West Chapel

Middle Grades MG FCA Meeting

3:45 PM - 4:30 PM

ICSB Cafeteria

Early Grades Ukulele Club

3:45 PM - 4:30 PM

Lower School Music Room

All Athletic Upper School Girls Basketball Practice

3:45 PM - 5:45 PM

ICSB Gymnasium

All Athletic Upper School Boys Basketball Practice

5:30 PM - 7:30 PM

ICSB Gymnasium

Friday, February 27

Staff Events Board Retreat

All Athletic MG Girls Basketball Practice

3:45 PM - 5:30 PM

ICSB Gymnasium

Upper School Musical Auditions Preparation

4:00 PM - 6:00 PM

Music Room

All Athletic Upper School Boys Basketball Weight Training

4:00 PM - 5:00 PM

ICSB Weight Room

All Athletic MG Boys Basketball Practice

5:15 PM - 7:00 PM

ICSB Gymnasium

Saturday, February 28

Middle Grades Battle of the Books

9:30 AM - 1:00 PM

Cafeteria, UPP classrooms

All Athletic UPP Girls Basketball Open Gym

11:00 AM - 1:00 PM

ICSB Gymnasium

All Athletic UPP Boys Basketball Open Gym

1:00 PM - 3:00 PM

ICSB Gymnasium

Upper School Swing Dance Club

3:00 PM - 5:00 PM

West Chapel

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February

Thu Feb 12

UPP Boys Basketball ICSB Winter Classic

ICSB Gymnasium

Fri Feb 13

UPP Boys Basketball ICSB Winter Classic

all day

ICSB Gymnasium

Sat Feb 14

UPP Boys Basketball ICSB Winter Classic

all day

ICSB Gymnasium

Sat Feb 21

UPP Boys Basketball UPP Boys Basketball Open Gym

1:00 PM - 3:00 PM

ICSB Gymnasium

Sat Feb 21

UPP Girls Basketball UPP Girls Basketball Open Gym

3:00 PM - 5:00 PM

ICSB Gymnasium

Mon Feb 23

UPP Boys JV Basketball JV Boys Basketball Game vs Britannica

4:00 PM - 5:00 PM

ICSB Gymnasium

Mon Feb 23

UPP Girls Basketball Varsity Girls Basketball Game vs Britannica CHANGED: Now a Varsity Game

5:15 PM - 6:30 PM

ICSB Gymnasium

Tue Feb 24

MG Boys Basketball MG Boys B-Team Basketball Game vs Britannica

4:00 PM - 5:15 PM

ICSB Gymnasium

Tue Feb 24

UPP Boys Basketball Upper School Boys Basketball Weight Training

4:00 PM - 5:00 PM

ICSB Weight Room

Tue Feb 24

UPP Girls Basketball Upper School Girls Basketball Practice

5:15 PM - 7:15 PM

ICSB Gymnasium

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