High School MUN students
Middle school students performing on stage

Participating in my club taught me so much about myself. I was introduced to a part of me that I didn't know was there before. It opened a door to a whole new world.

Senior Student

Seoul International School believes that participation in a wide variety of extracurricular and student-selected activities is a vital part of our educational philosophy. This type of participation is a privilege that requires responsibilities to the school, activity, student body, community, and to the students themselves. These activities contribute immensely to the development of lifelong learning skills, enabling students to maximize their educational experience at SIS. There is something for everyone, and we encourage all students to find at least one extracurricular activity in which to participate.

Students at all levels have the opportunity to participate in various extracurricular and student-selected activities. 

Elementary School


Elementary school has an afterschool program along with various other activities such as Battle of the Books. There is something for everyone.

Middle School


Middle school students have a variety of after school programs they can participate in including Model United Nations and Chemistry & Physics.

High School


Students in high school have so many extracurricular clubs and activities to choose from it can be difficult to make a choice.

Elementary After School Enrichment

Our Elementary After School Enrichment program (ASE) will not only enhance your child’s education but will also add to their overall experience at Seoul International School. Teachers from elementary, middle and high school are looking forward to providing an engaging enrichment opportunity for ES students. Courses that have been offered in the past include, Robotics and Coding, Makerspace, Chess, Breakout EDU! Art, Ceramics, Model United Nations, Elementary Math Circle, Science and Trivia, Simply STEM, Origami and Geometry, Girls on the Run, Back to School Book Club, Yoga and more!

Read more about the courses below

Elementary school students participating in after school enrichment program at Seoul International School
Elementary students participating in after school enrichment program at Seoul International School
Elementary school students participating in science after school enrichment program at Seoul International School
Elementary school students participating in after school enrichment program at Seoul International School

Sample of Courses Offered

Battle of The Books

Battle of the Books is an excellent reading incentive program for grade 4 and 5 students. It encourages students to read and ask analytical questions from a range of stories and genres they might not have otherwise been exposed to. The program culminates in a wonderful international schools’ competition promoting collaboration, sportsmanship, and a love of reading.

Spirit Club

The school Spirit Club is a new activity at the Elementary school designed for students from grade five. The Spirit Club seeks to establish activities, programs and team building strategies to further enhance the sense of community at SIS.  The club will develop various activities throughout the school year to promote school cheer, sponsor charity service projects and promote “School Spirit Day” celebrations. This activity is perfect for students who enjoy being a part of a team and collaborating with others.

Elementary Extracurricular Music Offerings

Primary Choir

Primary Choir

The Primary Choir is a twice a week choir run by Dr. Park and is open to Gr. 1, 2 and 3 students who love to sing and perform on stage. Students come during recess to practice and perform in the Elementary School Winter and Spring concerts. 

Suzuki Program (SK-5)

Elementary school suzuki performance

The Suzuki program is strings (Violin, Cello, Viola and Bass) classes for SK ~ Gr. 5 students run by Dr. Park and Ms. Kim. Suzuki students come during recess to practice once or twice a week and perform in the Suzuki Winter and Spring Concerts.

Middle school students participating in the after school enrichment program at Seoul International School.

Middle School After School Enrichment

Just like elementary, we offer an after school enrichment program at the middle school level. The goal of the program is to enhance the middle school student experience with access to a variety of non-academic enrichment activities after school hours. Taking place Wednesday afternoons from 3:30 – 5:00, the program gives middle school students an additional venue to learn alongside peers and faculty. In addition, students participating in the program in can take advantage of the activity bus offered at 5:10. 

Courses are offered throughout the year in three eight-week sessions:

  1. Fall (September - November)
  2. Winter (January - March)
  3. Spring (April - May)
Students participating in quiz After School Enrichment program at Seoul International School

Sample of Courses offered:

  • Chemistry and Physics
  • Quiz
  • Model United Nations
  • Debate
  • Gazette
  • Robotics
  • Math Circle
  • NHD
  • Forensics

To learn more visit our Middle School ASE program site:


High School Clubs

Clubs and activities play an important part of high school student life at Seoul International School. Our student body is very active, locally and internationally in their attempts to make the world a better place. SIS students, faculty and parents take pride in the positive outcomes of their clubs and activities on the community. Taking part in any extracurricular club or activity is a privilege that promotes lifelong learning and a greater appreciation of self and community. We encourage all students to take part in our high school clubs. It is an opportunity that can't be beat.

Read more about some of the high school extracurricular opportunities below

Student playing guitar and singing in the atrium at Seoul International School
High school students participating in Model United Nations
Students on a unicef trip to Cambodia
High school students in the aperture photo club taking photos.
Student participating in chess event at Seoul International School
High School Students volunteering at a soup kitchen at Seoul International School.
Students working on sheet music at Seoul International school
Model United Nations club students at Seoul International School

More High School Clubs ...

CLub executive talks at a club meeting at Seoul International School

High School Clubs Continued

Students volunteering and washing dishes at a local soup kitchen.