Skip to main content

Founded in 1981, ISS International School is an authorised IB World School for students from kindergarten to grade 12 and located in a former military school building surrounded by greenery.

  • ISS International School
    21 Preston Road
  • T +65 6475 4188
  • E [email protected]
  • W
  • School Ages: 4-18
  • School Gender: Mixed
  • Total School Numbers: 300 boys and girls
  • Teaching Language(s):
    • English
  • SEN: SEN considered case by case
  • Boarding: Not available
  • Uniform: Yes
  • School Year: August - June: two semesters (Aug - Dec, Jan - June)
  • School Hours: 8am - 3pm
  • Annual Fee Range: SG$ 26,778 - SG$ 44,076
  • Fee Information: Placement test fee: SG$ 500; Enrolment fee: SG$ 3,600;
  • Religion: Non-denominational
  • Memberships: EARCOS. Certified by EduTrust.
  • State/Independent: Non-profit


  • International Baccalaureate (Diploma)
  • International Baccalaureate Middle Years Programme (MYP)
  • International Baccalaureate Primary Years Programme (PYP)


  • Authorised by International Baccalaureate Organization (not to be confused as an inspection or accreditation agency)
  • Council of International Schools (CIS)
  • Western Association of Schools and Colleges (WASC)
  • EduTrust Certification (Singapore)

No school can pay to be in
The Good Schools Guide International. Period.

Subscribe for instant access to in-depth reviews:

☑ Candid and unbiased reviews of more than 175 schools in major cities across the world - from New York to Geneva, Dubai to Hong Kong, and many more in between
☑ Local insight and honest opinion about the overall education offering and the best schools in these cities and countries
☑ Expert advice to help you understand and navigate different curricula and different school systems across different countries, continents and hemispheres

Try before you buy - The Charter School Southwark

Buy Now

GSG Blog >

The Good Schools Guide newsletter

Educational insight in your inbox. Sign up for our popular newsletters.