Academic
Calendar

Our Academic Calendar at Chuo International School is thoughtfully crafted to offer students enriching experiences that align with our commitment to the Sustainable Development Goals (SDGs).

Academic Calendar 2025 - 2026

Alongside regular classes, students participate in engaging field trips, seasonal events, and opportunities to build global awareness. Highlights include an annual musical performance where students showcase their talents and a vibrant Cultural Day celebrating diversity. Explore our calendar to discover the variety of activities that make our community dynamic, inclusive, and globally conscious.

TERM 1

September 1

TERM 1 BEGINS: First Day of Class
第1学期始業日

September 8

Open House | Q & A session (Tokyo)

September 12

Open House | Q & A session (Shin Urayasu)

September 15

National Holiday | Respect for the Aged Day

September 19

Field Trip-Sogo Park

September 22 - 26

Cultural Week – A celebration of global diversity, featuring cultural displays, food, & performances
カルチャーウィーク

September 23

National Holiday | Autumnal Equinox Day

October 13

National Holiday | Sports Day

October 20

Open House

October 25

Fall Festival

October 31

Halloween Celebration
ハロウィン・セレブレーション

November 3

National Holiday | Culture Day

November 8-9

Thanksgiving Fall Camp – A three-day camp focusing on teamwork, resilience, and outdoor skills.
サンクスギビング・フォールキャンプ
チームワーク、レジリエンス、アウトドアスキルを学ぶ3日間のキャンプです。

November 11

Kidzania Field Trip

November 20 - 21

CIS Camping Trip

November 28

Thanksgiving Celebration

December 5

PTC | Parent Teacher Conference
保護者面談

December 11

Last Day of Term 1
第1学期終了日

December 12

Winter Musical Performance – Students showcase their talents in Ballet, Jazz, and HipHop
冬の音楽発表会 - 学校全体で、生徒たちが才能を披露する音楽イベントです。

December 8 - 19

Winter Camp – A two-week seasonal learning focused on winter-themed activities and skill-building projects. (¥25,000/week)
冬をテーマにしたアクティビティやスキル向上を目指す学びの1週間です。(¥25,000/週)

December 15 - 19

Winter Seasonal School

December 22 - January 2

School Closed for Winter Break & Staff Training

TERM 2

January 5

TERM 2 BEGINS: First Day of Class
第2学期始業日

January 12

National Holiday | Coming of Age Day

January 19

Open House | Q & A session (Tokyo)

January 23

Open House | Q & A session (Shin-Urayasu)

February 3

Setsubun Celebration

February 13

Valentine's Day Celebration

February 16

Open House

February 16 - 20

Culture Week

February 23

National Holiday | Emperor’s Birthday

March 2 - 6

SDG Awareness Week – Activities focused on Sustainable Development Goals, encouraging students to think about global issues.

March 9

Open House

March 17

St. Patrick's Day Party

March 19

PTC | Parent Teacher Conference
親子面談（PTC）

March 20

National Holiday | Vernal Equinox Day

March 27

The Green Gala – A performance celebrating students' progress in arts, music, and other areas
グリーン・ガラ – 生徒たちが芸術や音楽などで成長した成果を発表するパフォーマンスイベント。

March 27

Last Day of Term 2
第2学期の最終日

March 30 - April 3

Spring Seasonal School

TERM 3

April 6

First Day of Term 3
第3学期の始業日

April 10

Easter Egg Hunt

April 29 - May 6

Spring Break - No School

April 13

Open House | Q & A session (Tokyo)

April 17

Open House | Q & A session (Shin-Urayasu)

April 29

National Holiday | Showa Day

May 4 - 6

National Holiday | Golden Week

May 8

Sports Day

May 15

Community Service Day – Activities that support the local community, fostering responsibility and compassion
地域貢献デー – 地元コミュニティを支援する活動を通じて、責任感や思いやりを育む日。

May 18

Open House

June 12

End of Year Ballet Recital

June 22

Open House

July 3

PTC | Parent Teacher Conference
親子面談（PTC）

July 9

Last Day of School Year
学年最終日

July 10

Graduation