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Singapore International School

Updated July 2026

Co-edGender
Day & BoardingType
500Students
5:1Student : teacher
For-profitOwnership

Accreditations

Languages

English flagEnglish

Singapore International School is a co-educational, signature boarding school in Mumbai offering a rigorous international education for students from Kindergarten to Grade 12. It is the only institution in the region to provide term, monthly, weekly, and day boarding options within an 8-acre green campus.

Teaching approach

The school operates under the motto 'Carpe Diem' ('Seize the Day'), emphasizing a student-centered approach that fosters inquiry, critical thinking, and holistic development. It aims to nurture responsible global citizens by integrating international curricula with an Indian ethos. The environment is viewed as the 'third teacher,' designed to engage students actively through innovative methodologies that cater to diverse learning styles.

Programmes

The school offers a four-level academic structure: the IB Primary Years Programme (integrated with the Singapore curriculum and Reggio Emilia approach) for Kindergarten through Grade 6; a Pre-IGCSE programme for Grades 7 and 8; the IGCSE curriculum for Grades 9 and 10; and the two-year International Baccalaureate Diploma Programme (IBDP) for Grades 11 and 12. The curriculum is designed to dovetail across these stages, preparing students for higher education through a blend of academic subjects, arts, and service-oriented learning.

Outcomes

Graduates consistently secure placements at highly selective universities across Canada, the United Kingdom, the USA, Australia, and Asia. The school maintains an excellent track record of college admissions, supported by early counseling and a rigorous preparation process. Students are equipped to be responsible global citizens who retain an Indian ethos while being prepared for future international academic success.

Student support

EAL support
Unknown
Learning support
Unknown

Learning support

Academic support services include enrichment programmes, information literacy, and specialized assistance for students with special educational needs and gifted learners. The school provides personal and career counseling to assist students with their academic roadmaps and university applications. Additionally, a residential faculty is available beyond classroom hours to provide ongoing guidance and support.

Frequently asked questions(5)
What curriculum does Singapore International School offer?
Singapore International School offers IB PYP, IGCSE and IB Diploma.
Is Singapore International School a day or boarding school?
Singapore International School is a day and boarding school.
What accreditations does Singapore International School hold?
Singapore International School holds accreditations including IB and CIS.
Is Singapore International School co-educational?
Singapore International School is a co-ed school.
Where is Singapore International School located?
Singapore International School is an international school in Thane, India.

Tuition & fees

No published fee schedule was found for this school.

Admissions

The school maintains a selective admission process, requiring an online application followed by a one-to-one counseling session and a school tour. Candidates may be invited for a personal interaction session, and offers are extended based on seat availability and a review of the applicant pool. Admission is finalized upon payment of fees and submission of all required documentation.

Calendar

The academic year follows a structured schedule, with recurring annual tuition fees due by the first week of May. The school operates on a term-based system, and withdrawal notices must be submitted in writing by March 7th of the preceding academic year to avoid full-year fee forfeiture.

Facilities

LibraryScience labsArt roomMusic roomDance studioTheatre / auditoriumSwimming poolSports fieldTennis courtsGymnasiumPlaygroundBoarding

About the campus

The 8-acre campus features state-of-the-art infrastructure, including two Apple labs, an IT resource room, and well-equipped science laboratories. Sports facilities comprise an athletic track, tennis, badminton, and basketball courts, a swimming pool, and grounds for field sports. The campus also houses a 6,000 sq. ft. air-conditioned auditorium, a dining hall of similar size, and specialized studios for art, design technology, dance, and music.

Co-curriculars

Students participate in a wide range of activities including Model United Nations (SISMUN), Round Square conferences, and the International Award for Young People. The school offers dedicated studios for film, pottery, dance, and music, alongside various sports such as soccer, hockey, cricket, tennis, and swimming. Holistic development is further supported through service projects, student exchange programmes, and home-stay initiatives.

  • Mr. Stephen WilloughbyPrincipal

    Mr. Willoughby holds a B.Eng in Electronic & Computing from the University of Ulster, Belfast, a PGCE in Secondary Education (Mathematics) from Leeds University and a Master’s in Education from the UK. With 17 years in education and over a decade in leadership roles, he brings deep insight and commitment to student growth. His global experience with leading institutions has shaped a leadership style that is student-centred and future-focused.

  • Mr. Absolom MuseveUD Head

    Mr. Absolom Museve is an experienced educator with experience of around 33 years, he is being an IB world schools educator for last 22 years. Out of which last 14 years Mr. Museve has been an administrator role. Before joining SIS Mr. Museve had worked with United world college, Aga Khan academy. Mr. Museve holds Masters in International education from University of Bath, & Bachelors in Education degree from Kenyatta university. Mr. Museve is a member of IB School Authorisation Visit team.

  • Ms. Ann LindseyPD And MD Head

    Ms. Ann Lindsey is an educator for last 28 years, she has rich experience working with public school in USA and international school in U.A.E, Turkey & India. Ms. Lindsey last few assignments s were as a Secondary Principal at Bradenton Prep academy, Dubai, Academic coordinator at ENKA Schools, Istanbul & Interim Head of school at Taktse International School, Gangtok. Ms. Lindsey holds a bachelor degree in education from University of Minnesota and masters in Science in Education from Walden University, Minnesotta. Ms. Ann is a member of CIS team visiting member.