The school was started in June 2001. Ever since it has been providing quality education to students in and around Koparkhairane. Today it is an Institution which enjoys a very good reputation in the education landscape of Navi Mumbai. It is affiliated to the CISCE, New Delhi (http://www.cisce.org/).
St. Mary's ICSE School, Koparkhairane, is established by M.O.C.C.B., a registered Public Charitable Trust managing the following institutions:
St. Mary's Multipurpose School, Sector 10A, Vashi, Navi Mumbai.
St. Mary's Jr. College, Vashi, Navi Mumbai
St. Thomas English School, Karnik Rd, Kalyan.
St. Mary's School, Valsad, Gujarat
St. Mary's JNP School, J.N.P.T., Nhava Sheva
St. Mary's Night School, Vashi