
CGK International School
Part of CosmoBridge Inc., Secular, Founded 2015
Updated July 2026
CGK International School is an IB World School in Yokohama providing a 12+4-year continuum of education from age 2 through high school graduation. It offers a bilingual, inquiry-based curriculum designed to nurture internationally-minded, lifelong learners.
Teaching approach
CGK International School is a global learning community dedicated to discovering and pursuing happiness. Its educational approach is centered on inquiry, critical thinking, and self-expression, incorporating the philosophy of the International Baccalaureate (IB). The school values the development of non-cognitive skills, such as communication and emotional maturity, alongside academic growth.
Programmes
The school offers a continuum of education from preschool through high school, with the Primary Years Programme (PYP) for preschool and elementary (Grades 1-5) and the Middle Years Programme (MYP) for middle school (Grades 6-9). The curriculum is transdisciplinary and inquiry-based, emphasizing project-based learning (PBL) and balancing English and Japanese instruction. High school education is scheduled to open in April 2028.
Outcomes
The school aims to nurture internationally-minded individuals who possess critical thinking skills, self-expression, and a spirit of inquiry. It focuses on whole-person education to help students become lifelong learners who can forge their own paths and contribute to a better world. The school provides pathways for students to pursue further education, including study abroad programs starting from age two, with a mandatory one-year study abroad for middle school students in the 7th grade.
Student support
Learning support
The school maintains a stable staffing structure that includes licensed childcare teachers and emphasizes high staff retention. It utilizes a "Contact Book" application for daily communication with parents, allowing for the sharing of photos and videos regarding student activities. The school also provides a 12+4-year continuum of education from age 2 through high school graduation.
Frequently asked questions(4)
- What curriculum does CGK International School offer?
- CGK International School offers IB PYP and IB MYP.
- Is CGK International School a day or boarding school?
- CGK International School is a day school.
- What accreditations does CGK International School hold?
- CGK International School holds accreditations including IB.
- Where is CGK International School located?
- CGK International School is an international school in Yokohama, Japan.
Tuition & fees
No published fee schedule was found for this school.
Admissions
The school holds open school sessions and information sessions for prospective families. The admission process includes an application form, followed by a brief interview and behavioral observation with the parents and child. Enrollment is secured upon payment of fees, and midterm enrollment may be possible depending on availability. Parents do not need to be proficient in English or Japanese for their child to be admitted.
Calendar
The school operates year-round with core childcare hours from 8:30 to 17:00 and extended care available from 8:00 to 18:30. It observes short long-term breaks, including Golden Week, summer, winter, and spring vacations. Seasonal schools, such as Summer, Spring, and Winter schools, are held for elementary students.
Facilities
About the campus
The school operates two campuses in Yokohama: the Bashamichi Campus (Age 2-3) and the Kannai Campus (Age 4-Grade 12). The Kannai Campus occupies multiple floors (2-7F, 9F) and provides facilities for preschool, elementary, and middle school students. Both campuses are located within walking distance of major train stations, including Bashamichi, Nihon-ōdōri, and Kannai stations.
Co-curriculars
The school offers a variety of enrichment and extracurricular activities, including swimming lessons in a private pool, P.E. classes, and programming lessons. Students participate in project-based learning (PBL) activities, such as the "Ice Cream Project," "City Planner," and "Postal Worker" role-play. Additionally, the school hosts seasonal schools, a soccer club, a mindfulness club, and annual events like the school festival.



- 甲斐実株式会社CosmoBridge 代表取締役 CGKインターナショナルスクール理事長
Founder of CGK International School and Representative Director of CosmoBridge. He has extensive experience in international school management and has led the school's growth from its inception in 2016.
- Ms. Saeda Sueki-Au-YeungHead of Operations / Parent Support Coordinator
Oversees school operations and provides support to parents. She has been with CGK since 2017, serving in various roles including Preschool Bilingual Teacher and School Director.
- Ms. Renaeプリスクール Principal / IB PYP 幼児教育コーディネーター
Leads the preschool and coordinates the IB PYP Early Years program. She has 20 years of teaching experience in Japan and Australia, specializing in curriculum development and teacher training.
- Mr. Mharプリスクール Vice Principal
Serves as the Preschool Vice Principal. He has a background in nursing and extensive teaching experience in the Philippines and Japan, including work with the IB PYP framework.
- Mr. Jhonatta初等部 Principal
Principal of the Elementary School. He has nearly 20 years of experience in education, starting his career in Brazil and now working in an international school setting.
- Ms. Darby中等部 Principal / Head of Learning / IB MYPコーディネーター
Principal of the Middle School, Head of Learning, and IB MYP Coordinator. She oversees the academic direction and implementation of the MYP curriculum.
- Mr. MartinResearch and Community Coordinator / IB PYPコーディネーター
Coordinates research and community initiatives while serving as an IB PYP Coordinator.
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