Calendars

2025-2026 SCHOOL CALENDAR AT-A-GLANCE

Published and last updated: September 2025

School Calendar
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- Early Grades Early Grades
- Middle Grades Middle Grades
- Schoolwide Schoolwide
- Upper School Upper School
- All Athletic All Athletic
- Holidays and School Closings Holidays and School Closings

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November

Sat Nov 15

All Athletic Varsity Boys Soccer DVAC Tournament

all day

BISB - Budapest

Sat Nov 15

All Athletic Varsity Girls Soccer DVAC Tournament

all day

BISB - Budapest

Mon Nov 17

All Athletic Boys Weights Training Subscribe to Calendar Alerts

3:45 PM - 4:45 PM

ICSB Weight Room

Mon Nov 17

Early Grades Early Grades Dance Club Subscribe to Calendar Alerts

3:45 PM - 5:30 PM

West Chapel

Mon Nov 17

Middle Grades Middle Grades Musical Rehearsal Subscribe to Calendar Alerts

4:00 PM - 6:00 PM

ICSB Gym

Tue Nov 18

Early Grades Quiz It! Club Subscribe to Calendar Alerts

3:45 PM - 4:30 PM

ICSB Cafeteria

Tue Nov 18

All Athletic Fall Sports Recognition Night Subscribe to Calendar Alerts

7:00 PM - 8:00 PM

West Chapel (Upper School)

Wed Nov 19

Schoolwide Report Cards Published Subscribe to Calendar Alerts

Wed Nov 19

All Athletic Winter Sports Sign-Ups End Subscribe to Calendar Alerts

all day

Wed Nov 19

Middle Grades MG FCA Meeting Subscribe to Calendar Alerts

3:00 PM - 3:45 PM

ICSB Cafeteria

November 2025

Sun Mon Tue Wed Thu Fri Sat

Sunday, October 26

Monday, October 27

Tuesday, October 28

Wednesday, October 29

Thursday, October 30

Friday, October 31

Saturday, November 1

Sunday, November 2

Monday, November 3

Tuesday, November 4

Wednesday, November 5

Thursday, November 6

Friday, November 7

Saturday, November 8

Sunday, November 9

Monday, November 10

Tuesday, November 11

Wednesday, November 12

Thursday, November 13

Friday, November 14

Saturday, November 15

Sunday, November 16

Monday, November 17

Tuesday, November 18

Wednesday, November 19

Thursday, November 20

Friday, November 21

Saturday, November 22

Sunday, November 23

Monday, November 24

Tuesday, November 25

Wednesday, November 26

Thursday, November 27

Friday, November 28

Saturday, November 29

Sunday, November 30

Monday, December 1

Tuesday, December 2

Wednesday, December 3

Thursday, December 4

Friday, December 5

Saturday, December 6

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- Early Grades Early Grades
- Middle Grades Middle Grades
- Schoolwide Schoolwide
- Upper School Upper School
- All Athletic All Athletic
- Holidays and School Closings Holidays and School Closings

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November 2025

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

Sunday, October 26

Schoolwide No School Events Weekend

Monday, October 27

All Athletic Boys Weights Training

3:45 PM - 4:45 PM

ICSB Weight Room

Early Grades Early Grades Dance Club

3:45 PM - 5:30 PM

West Chapel

Middle Grades Middle Grades Musical Rehearsal

4:00 PM - 6:00 PM

ICSB Gym

All Athletic UPP Boys Soccer Practice

4:00 PM - 6:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic UPP Girls Soccer Practice

4:00 PM - 6:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

Tuesday, October 28

Early Grades Quiz It! Club

3:45 PM - 4:30 PM

ICSB Cafeteria

All Athletic JV Girls Volleyball Game v BBIS

4:30 PM

ICSB Gymnasium

All Athletic MG Boys Soccer Game v BBIS

4:30 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic MG Girls Soccer Game v BBIS

4:30 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic Varsity Girls Volleyball Game v BBIS POSTPONED: October 29th

4:30 PM

ICSB Gymnasium

All Athletic Upper School Boys Volleyball Practice

6:00 PM - 8:00 PM

ICSB Gymnasium

All Athletic Varsity Boys Volleyball v Staff and Parents

6:00 PM

ICSB Gymnasium

Wednesday, October 29

Schoolwide Half Day for Students - 11:45 Dismissal

Early Grades EG Basketball Club Scrimmage

11:45 AM - 1:00 PM

ICSB Gymnasium

Middle Grades MG FCA Meeting

12:00 PM - 12:45 PM

ICSB Cafeteria

All Athletic UPP Girls Soccer Practice CHANGED: Time Has Changed

12:30 PM - 2:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic UPP Boys Soccer Practice

3:00 PM - 5:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic JV Boys Volleyball Game v BBIS

4:30 PM

ICSB Gymnasium

All Athletic Varsity Girls Volleyball Game v STAFF CHANGED: This event has been changed.

4:30 PM

ICSB Gymnasium

All Athletic Varsity Boys Volleyball Practice

6:00 PM - 8:00 PM

ICSB Gymnasium

Thursday, October 30

All Athletic Boys Weights Training CANCELLED

3:45 PM - 4:45 PM

ICSB Weight Room

Early Grades Ukulele Club

3:45 PM - 4:30 PM

Lower School Music Room

Middle Grades Middle Grades Musical Rehearsal

4:00 PM - 6:00 PM

ICSB Gym

All Athletic UPP Boys Soccer Game v BBIS

4:30 PM - 6:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic UPP Girls Soccer Game v PARENTS CHANGED: This event has been changed.

4:30 PM - 6:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic Upper School Boys Volleyball Practice

6:00 PM - 8:00 PM

ICSB Gymnasium

Friday, October 31

All Athletic MG Boys Soccer Practice

4:00 PM - 5:30 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic MG Girls Soccer Practice

4:00 PM - 5:30 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic Upper School Girls Volleyball Practice

4:00 PM - 6:00 PM

ICSB Gymnasium

Upper School Upper School StuCo Fall Party

6:00 PM - 8:00 PM

ICSB Cafeteria

Saturday, November 1

Holidays and School Closings All Saints Day

Sunday, November 2

Monday, November 3

All Athletic Boys Weights Training

3:45 PM - 4:45 PM

ICSB Weight Room

Early Grades Early Grades Dance Club

3:45 PM - 5:30 PM

West Chapel

Middle Grades Middle Grades Musical Rehearsal

4:00 PM - 6:00 PM

ICSB Gym

All Athletic UPP Girls Soccer Practice

4:00 PM - 6:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic Varsity Boys Soccer Friendly/Scrimmage with GGIS

4:30 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

Tuesday, November 4

All Athletic Upper School Basketball Skill Development

7:00 AM - 7:45 AM

ICSB Gymnasium

Early Grades Quiz It! Club

3:45 PM - 4:30 PM

ICSB Cafeteria

All Athletic MG Girls Soccer Practice

4:00 PM - 6:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic Fall Sports Senior Night

4:05 PM

ICSB Gymnasium

All Athletic MG Boys Soccer Game v Britannica

4:15 PM - 6:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic Varsity Girls Volleyball Game v Britannica

4:15 PM

ICSB Gymnasium

All Athletic Upper School Boys Volleyball Practice

6:00 PM - 8:00 PM

ICSB Gymnasium

Wednesday, November 5

All Athletic Winter Sports Sign-Ups Begin

All Day

Early Grades EG Basketball Club Game vs ISB

3:00 PM

ICSB Gymnasium

Middle Grades MG FCA Meeting

3:00 PM - 3:45 PM

ICSB Cafeteria

All Athletic UPP Girls Soccer Practice

3:00 PM - 5:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic UPP Boys Soccer Practice CHANGED: Start time has changed.

4:00 PM - 5:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic Upper School Boys Volleyball Practice

4:00 PM - 6:00 PM

ICSB Gymnasium

All Athletic Upper School Girls Volleyball Practice

6:00 PM - 8:00 PM

ICSB Gymnasium

Thursday, November 6

All Athletic Upper School Basketball Skill Development

7:00 AM - 7:45 AM

ICSB Gymnasium

All Athletic Boys Weights Training

3:45 PM - 4:45 PM

ICSB Weight Room

Early Grades Ukulele Club

3:45 PM - 4:30 PM

Lower School Music Room

Middle Grades Middle Grades Musical Rehearsal

4:00 PM - 6:00 PM

ICSB Gym

All Athletic UPP Boys Soccer Practice

4:00 PM - 6:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic UPP Girls Soccer Practice

4:00 PM - 6:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

Schoolwide Annual Fund Parent Ambassador Dinner

6:00 PM - 8:00 PM

West Chapel

All Athletic Upper School Boys Volleyball Practice

6:00 PM - 8:00 PM

ICSB Gymnasium

Friday, November 7

Schoolwide Quarter 1 Ends

All Athletic MG Boys Soccer Practice

4:00 PM - 5:30 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic MG Girls Soccer Practice

4:00 PM - 5:30 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic Upper School Girls Volleyball Practice

4:00 PM - 6:00 PM

ICSB Gymnasium

All Athletic Boys Weights Training

6:00 PM - 7:00 PM

ICSB Weight Room

Saturday, November 8

All Athletic JV Boys Volleyball DVAC Tournament

All Day

ICSB Gymnasium

All Athletic JV Girls Volleyball DVAC Tournament CHANGED: Location has changed.

All Day

VIS - Vienna

All Athletic MG Boys DVAC Soccer Tournament

All Day

Mladá Garda Football Pitch, 831 02, Račianska 1531/105, 831 02 Bratislava

All Athletic MG Girls DVAC Soccer Tournament

All Day

Futbalový klub Dúbravka

All Athletic Varsity Boys Volleyball DVAC Tournament

All Day

BISB - Budapest

All Athletic Varsity Girls Volleyball DVAC Tournament

All Day

AISB - Budapest

Sunday, November 9

Monday, November 10

All Athletic Upper School Basketball Skill Development

7:00 AM - 7:45 AM

ICSB Gymnasium

All Athletic Boys Weights Training

3:45 PM - 4:45 PM

ICSB Weight Room

Early Grades Early Grades Dance Club

3:45 PM - 5:30 PM

West Chapel

Middle Grades Middle Grades Musical Rehearsal

4:00 PM - 6:00 PM

ICSB Gym

All Athletic UPP Boys Soccer Practice

4:00 PM - 6:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic UPP Girls Soccer Practice

4:00 PM - 6:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic Varsity Boys Soccer Friendly/Scrimmage with GGIS

4:30 PM - 6:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

Schoolwide The 1994 Society Appreciation Dinner

6:00 PM - 8:00 PM

West Chapel

Tuesday, November 11

All Athletic Upper School Basketball Skill Development

7:00 AM - 7:45 AM

ICSB Gymnasium

Early Grades Quiz It! Club

3:45 PM - 4:30 PM

ICSB Cafeteria

All Athletic Upper School Basketball Open Gym

4:00 PM - 6:00 PM

ICSB Gymnasium

Wednesday, November 12

Middle Grades MG FCA Meeting

3:00 PM - 3:45 PM

ICSB Cafeteria

All Athletic UPP Girls Soccer Practice

3:00 PM - 5:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic UPP Boys Soccer Practice CHANGED: Start time has changed.

4:00 PM - 5:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic Upper School Basketball Open Gym

4:00 PM - 6:00 PM

ICSB Gymnasium

Thursday, November 13

All Athletic Upper School Basketball Skill Development

7:00 AM - 7:45 AM

ICSB Gymnasium

All Athletic Upper School Basketball Skill Development

7:00 AM - 7:45 AM

ICSB Gymnasium

All Athletic Boys Weights Training

3:45 PM - 4:45 PM

ICSB Weight Room

Early Grades Ukulele Club

3:45 PM - 4:30 PM

Lower School Music Room

Middle Grades Middle Grades Musical Rehearsal

4:00 PM - 6:00 PM

ICSB Gym

All Athletic UPP Boys Soccer Practice

4:00 PM - 6:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

All Athletic UPP Girls Soccer Practice

4:00 PM - 6:00 PM

DNS SPORT- ÉS SZABADIDŐKÖZPONT - 2049 Diósd, Gyár utca 40

Friday, November 14

Middle Grades Lower School Field Trips

Upper School Upper School Field Trips

All Athletic Boys Weights Training

4:00 PM - 5:00 PM

ICSB Weight Room

Saturday, November 15

All Athletic Varsity Boys Soccer DVAC Tournament

All Day

BISB - Budapest

All Athletic Varsity Girls Soccer DVAC Tournament

All Day

BISB - Budapest

Sunday, November 16

Monday, November 17

All Athletic Boys Weights Training

3:45 PM - 4:45 PM

ICSB Weight Room

Early Grades Early Grades Dance Club

3:45 PM - 5:30 PM

West Chapel

Middle Grades Middle Grades Musical Rehearsal

4:00 PM - 6:00 PM

ICSB Gym

Tuesday, November 18

Early Grades Quiz It! Club

3:45 PM - 4:30 PM

ICSB Cafeteria

All Athletic Fall Sports Recognition Night

7:00 PM - 8:00 PM

West Chapel (Upper School)

Wednesday, November 19

Schoolwide Report Cards Published

All Athletic Winter Sports Sign-Ups End

All Day

Middle Grades MG FCA Meeting

3:00 PM - 3:45 PM

ICSB Cafeteria

Thursday, November 20

All Athletic Boys Weights Training

3:45 PM - 4:45 PM

ICSB Weight Room

Early Grades Ukulele Club

3:45 PM - 4:30 PM

Lower School Music Room

Middle Grades Middle Grades Musical Rehearsal

4:00 PM - 6:00 PM

ICSB Gym

Friday, November 21

All Athletic Boys Weights Training

6:00 PM - 7:00 PM

ICSB Weight Room

Schoolwide Middle Grades Musical Production

7:00 PM

ICSB Gym

Saturday, November 22

Schoolwide Middle Grades Musical Production

6:00 PM

ICSB Gym

Sunday, November 23

Monday, November 24

Schoolwide Parent - Teacher Conference Days

All Athletic Winter Sports Begin

All Day

Early Grades Early Grades Dance Club

3:45 PM - 5:30 PM

West Chapel

All Athletic Upper School Girls' Basketball Mandatory Parent/Coach Meeting

3:45 PM - 4:00 PM

ICSB Gymnasium

All Athletic Upper School Girls Basketball Try-Outs

4:00 PM - 6:00 PM

ICSB Gymnasium

All Athletic Upper School Boys Basketball Try-Outs

5:45 PM - 7:45 PM

ICSB Gymnasium

Tuesday, November 25

Schoolwide Parent - Teacher Conference Days

Early Grades Quiz It! Club

3:45 PM - 4:30 PM

ICSB Cafeteria

All Athletic Upper School Boys' Basketball Mandatory Parent/Coach Meeting

3:45 PM - 4:00 PM

ICSB Gymnasium

All Athletic Upper School Boys Basketball Try-Outs

4:00 PM - 6:00 PM

ICSB Gymnasium

All Athletic Upper School Girls Basketball Try-Outs

5:45 PM - 7:45 PM

ICSB Gymnasium

Wednesday, November 26

Schoolwide Half Day for Students - 11:45 Dismissal

Schoolwide Parent - Teacher Conference Days

All Athletic MG Girls Mandatory Parent/Coach Basketball Meeting

3:00 PM - 3:30 PM

ICSB Gymnasium

All Athletic Upper School Boys Basketball Try-Outs

3:45 PM - 5:45 PM

ICSB Gymnasium

All Athletic Upper School Girls Basketball Try-Outs

5:30 PM - 7:30 PM

ICSB Gymnasium

Thursday, November 27

Early Grades Ukulele Club

3:45 PM - 4:30 PM

Lower School Music Room

Friday, November 28

All Athletic MG Girls Basketball Practice

3:45 PM - 5:30 PM

ICSB Gymnasium

All Athletic MG Boys Basketball Practice

5:15 PM - 7:00 PM

ICSB Gymnasium

Saturday, November 29

Schoolwide No School Events Weekend

Sunday, November 30

Schoolwide No School Events Weekend

Monday, December 1

Schoolwide Forint War

Early Grades Early Grades Dance Club

3:45 PM - 5:30 PM

West Chapel

All Athletic Upper School Boys Basketball Practice

3:45 PM - 5:45 PM

ICSB Gymnasium

All Athletic Upper School Girls Basketball Practice

5:30 PM - 7:30 PM

ICSB Gymnasium

Tuesday, December 2

Schoolwide Forint War

All Athletic MG Boys Basketball Practice

3:45 PM - 5:30 PM

ICSB Gymnasium

All Athletic MG Boys Mandatory Parent/Coach Basketball Meeting

3:45 PM - 4:00 PM

ICSB Gymnasium

Early Grades Quiz It! Club

3:45 PM - 4:30 PM

ICSB Cafeteria

All Athletic Upper School Girls Basketball Practice

5:15 PM - 7:15 PM

ICSB Gymnasium

Upper School University Planning Night

6:30 PM - 8:00 PM

West Chapel

Wednesday, December 3

Schoolwide Forint War

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, December 4

Schoolwide Forint War

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, December 5

Schoolwide Forint War

All Athletic MG Girls Basketball Practice

3:45 PM - 5:30 PM

ICSB Gymnasium

All Athletic MG Boys Basketball Practice

5:15 PM - 7:00 PM

ICSB Gymnasium

Saturday, December 6

Early Grades Early Grades Basketball Clinic (P1-2nd Grade)

10:00 AM - 12:00 PM

ICSB Gymnasium

Early Grades Early Grades Basketball Clinic (3rd-5th Grade)

1:00 PM - 3:00 PM

ICSB Gymnasium

Calendar & Category Legend:

Early Grades Early Grades
Middle Grades Middle Grades
Schoolwide Schoolwide
Upper School Upper School
All Athletic All Athletic
Holidays and School Closings Holidays and School Closings

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