Seisen International School full K-12 Summer School Program returns from June 15 - July 3, 2026.
We welcome Seisen students K-12 and boys and girls from other schools grades 2-12.
The Seisen International School Summer School is a 3-week program is designed to provide students with a wide variety of options to enhance their learning through language arts, sports, arts, mathematics, science, technology, and experiential learning.
Courses in the program will further help students to develop skills necessary to become successful, independent learners, in accordance with our philosophy of "Learning to Love, Loving to Learn." Please note that our kindergarten program ends one day earlier, on Thursday, July 2nd.
Applications for Seisen students open from 12:00 (JST) on Thursday, February 19th, 2026.
Applications for external students open from 12:00 (JST) on Thursday, February 26th, 2026.
Click below to explore this year's courses or visit our FAQ to find additional information about our program.
Summer School welcomes applications from Seisen International School Students K-12 and students from other schools from grades 2-12
2026 Summer School Logo by Amber, class of 2028
Key Dates & Fees
Seisen International School Summer School 2026
Summer School 2026 will be in session between June 15 - July 3, at the Seisen International School Yoga Campus. KG summer school finishes on July 2.
Summer School is open to all K-12 Seisen International Students and students from other schools in grades 2-12.
SCHEDULE
| Kindergarten | 8:15am - 3:00pm |
|---|---|
|
Elementary |
Full Day: 8:00am - 3:00pm |
| Sports Camp (Grades 2-5) |
8:00am - 3:00pm |
|
Middle School |
8:30am - 2:30pm |
Cafeteria and Library open from 8:00am
Application Deadlines
- Applications will be received until Tuesday, May 6th at 12:00 (JST).
- Registration for students enrolled in Seisen International School will begin on Thursday, February 19th at 12:00 (JST).
- General registration for non-enrolled students (grades 2-12) will begin on Thursday, February 26th at 12:00 (JST).
FEES
All fees below include a JPY 10,000 K-12 Non-Refundable Registration Fee.
| Kindergarten | KG Full-Day: JPY 170,000 |
|---|---|
| Elementary (Grades 1-5) |
G1-5 Full-Day: JPY 160,000 G1-5 Half-Day: JPY 110,000 |
| Sports Camp (Grades 2-5) |
G2-5 Sports Camp: JPY 170,000 |
| Middle School & High School (Grades 6-12) |
One Course: JPY 64,000 Two Courses: JPY 118,000 Three Courses: JPY 172,000 |
Other Considerations
Lunch
Lunch is provided by the school's caterer Cezars Kitchen at an additional cost for the full duration of Summer School. Students may also bring their own packed lunch each day.
Cezars Kitchen Lunch Fees
Final costs will be communicated at a later date.
| Kindergarten | KG students are required to bring their own lunch |
|---|---|
| Elementary (Grades 1-5) |
JPY 9,960 (12 meals) Note: Students are also required to bring packed lunches for 3 trips |
| Sports Camp (Grades 2-5) |
JPY 7,470 (9 meals) Note: Students are also required to bring packed lunches for 6 trips |
|
Middle |
JPY 12,900 (15 meals) |
Please note that Cezars Kitchen does not provide lunch on a day-to-day basis during Summer School. Students are required to either sign up for Cezars Kitchen meals or bring their own lunch. Billing details for Cezars Kitchen will be shared when invoices are issued.
Transportation
Students have the option of signing up for a school bus service to and from our campus for the duration of Summer School.
One-way (Approximation): JPY 30,000
Round-trip (Approximation): JPY 39,000
Final costs will be included in invoices based on selection.
Note: Buses will depart Seisen International School from 3:20pm onwards.
REGISTRATION Process
- Complete the registration form and select relevant courses and options.
- Pay the JPY 10,000 registration fee by bank transfer or internet banking using the details provided below.
- Await confirmation of courses and pay summer school fees in full. Invoices will be issued after April 3, 2026.
Payment Information for Wire Transfers
Bank name: MUFG Bank, Ltd. (三菱UFJ銀行) Bank Code No. 0005
Branch name: Asagiri branch (あさぎり支店) Branch code: 849
Ordinary Account Number (普通預金): 1753998
Account name(口座名): Seisen International School
Please indicate your child's name in English followed by "SS" to indicate "Summer School" and include their grade level for the 2026-2027 school year e.g. Jeff Lewis SS 5
For enquiries about the Kindergarten, Elementary, and Sports Camp Program:
For enquiries about the Middle School and High School program: