Open House April 2023
The Phoenix at Chatsworth International School

Accreditations, Memberships and Awards

Established in 1995, Chatsworth International School is a three-programme IB school and is accredited by the Western Association of Schools and colleges (WASC)

Chatsworth International School is an IB World School, a member of East Asian Regional Council of Overseas Schools (EARCOS), is Edutrust certified (Singapore’s quality certification scheme), and Western Association of Schools and Colleges (WASC) accredited. A non-selective school, Chatsworth focuses on the holistic development of each individual student and prepares students to either enter universities around the world or to transfer to international and national system schools as their families move on from Singapore.


Chatsworth International School is fully accredited by ACS Western Association of Schools and Colleges

Chatsworth International School is fully accredited (Kindergarten through Year 13) by Accrediting Commission for Schools, Western Association of Schools and Colleges (WASC). Chatsworth has been awarded the full WASC-accreditation since 2004 following an interim accreditation in 2002.

WASC-accredited schools demonstrate the capacity, commitment, and competence to support high-quality student learning and continued school improvement through internal and external evaluation.


Chatsworth International School has been an IB World School since 2004. Chatsworth is authorised to offer three programmes of the International Baccalaureate, which include:

  • Primary Years Programme (for students from Kindergarten to Year 6)
  • Middle Years Programme (for students from Years 7 to 11)
  • Diploma Programme (for students in Years 12 and 13)

Chatsworth was first awarded the four-year Edutrust certification in 2012. The school was one of the first international schools in Singapore to be awarded a four-year certification in our first Edutrust application. The certification was subsequently renewed in 2016. The current renewal is until February 2025.

The EduTrust Certification Scheme (EduTrust) is a voluntary quality assurance scheme administered by the Committee for Private Education (CPE) for private educational institutions in Singapore. It aims to distinguish private schools that are able to consistently maintain a high standard of quality in the overall provision of education services and make continual improvements that lead to positive student outcomes. More information on EduTrust in Singapore



Chatsworth is a member of the East Asian Regional Council of Overseas Schools, which is an organisation of 190 member schools in East Asia.


As a school member of the WIDA international school consortium, Chatsworth’s EAL programmes are aligned with their standards and assessment system for English language development.

membership logos

Chatsworth International School has a long history of ensuring the health and safety of everyone within our community and this includes safeguarding and child protection. Chatsworth is a proud member of ChildSafeguarding and was one of the first schools in Singapore to join this organization, offering child protection and safeguarding training for all non-academic staff on campus (maintenance, cleaning and security staff, coaches, office staff). Chatsworth is also a member of TES EduCare, offering certificate training for all teaching staff on campus. Finally, Chatsworth was one of the first schools in Singapore to have staff trained to offer the Keeping Safe: Child Protection Curriculum (KS:CPC) to all students on campus so that they learn to understand their rights as children and how to protect themselves.

ISTA logo

Chatsworth is a member organisation of the International Schools Theatre Association (ISTA), a UK based charity founded in 1978 that provides global learning through theatre for educators and young people worldwide. ISTA provides useful Drama resources and opportunities for IBDP theatre and filming training and events for our teachers and students, amongst other benefits.

Did You Know?

Chatsworth has been at, or near, full capacity for over a decade simply by word-by-mouth support from our school community.