Catholic educationists were invited by Hon’ble Chief minister Mr. N B Bhandhari, to establish a school at Geyzing, West Sikkim. Thus, two land lease deeds were signed between the Government of Sikkim and the Roman Catholic Diocese of Darjeeling. Bishop was given two plots of land measuring 4,3740 and 1,4460 hectares, by the Sikkim Government to set up a school.

Bishop Eric Benjamin invited the Congregation of the Daughters of the Mary Help of Christians to start a school. After the construction of a simple temporary school building, a formal class commenced on 4th April 1991, with 34 students and 4 teachers. As the first batch of students entered class 8, in order to upgrade the school into a secondary school, the foundation stone was laid by the Hon’ble Chief Minister Shri Pawan Chamling on 12th May 1998, and same stone was blessed by Bishop Stephen Lepcha. There were 433 students in  year 2016.

The school is a Catholic minority co-educational institution recognized by the Education Department of Govt. of Sikkim, catering to classes from Nursery to class 10. It is affiliated to the council of the Indian School Certificate Examination(ISCE), New Delhi. The school celebrated its Silver Jubilee on 17th September 2016. His Lordship Rt Rev bishop Stephen Lepcha DD, was the Chief guest, and Rev Sr Rose Ezarath FMA, Provincial of the Salesian Sisters and Mr. N B Bhandari were the guest of honour.