• Respect for the host or home country and the family unit
• Willingness to serve the interest of the larger community
• High regard and thirst for a holistic education
• Understanding and embracing the Information Technology (IT) around us
• Personal integrity and discipline
• Appreciation of a multi-cultural and multi-religious world
• Appreciation of the environment within which we live

The Singapore International School (SIS) in Jakarta welcomed its first batch of pupils and pioneer teachers on 6 January 1997.  This historic moment was a culmination of planning and conceptualizing since 1994 by a group of concerned Singaporeans in Jakarta.  This group was formed to address the educational concerns of fellow Singaporeans in Indonesia for their children.  There was a yearning for a school cast in the cultural milieu of Singapore, with emphasis on high standards, character and moral formation, mother tongue, traditional values and the Singapore spirit.  In essence, they wanted a Singapore-style education for their children.
Inspired by the success of Singapore International School (Indonesia), Singapore School, Cilegon opened its doors on July 2004.

SIS seeks to provide an international education modeled after the Singapore curriculum.  Founded on the principles that govern it, SIS will ensure that its pupils are exposed to a wider world, and they are equipped with the skills to take greater responsibility for their own learning and the capacity to ensure their own survival.    It will be guided by the pursuit of high standards in all its endeavours.

Arising from our philosophy, the mission of SIS is to provide a well-rounded education for pupils to excel academically, develop strong moral character, be physically fit and be able to appreciate art, music and culture.  The two main long-term goals are character formation and bringing out the best in each and every pupil in an international environment.  We believe that for a school to be successful, emphasis has to be placed first on character formation and then academic excellence.  SIS will continue to provide an environment in which pupils and staff are given opportunities to exercise their initiative and creativity.  SIS develops a culture where both pupils and staff are continually learning.  This is in line with Singapore’s national vision of; Thinking Schools, Learning Nation.