New International School of Thailand, in short nist school, opened her doors in 1992. With the support of the United Nations program nist school was established. This international school welcomes more than 1,500 students from 50 nations. It is an only not-for-profit school. It is governed by the parent-elected NIST international school foundation.

The School was authorized to offer the IB Diploma Programme in 1993, Shortly after received authorisation to teach the IB Middle Years Programme in 1996. Nist school is a full International Baccalaureate (IB) World School.

The auditorium and outside areas of New International School of Thailand are often used for events and sports and cultural activities. The school is a great event location, has a large auditorium and outside area. The American Chamber of Commerce has organised some cultural events at the compound,