St. Mary’s Sr. Sec. School is a Christian minority Educational Institution established and managed by Sagar Diocesan Service Society, Sagar (Regd. on Sept. 28, 1972). It is an English Medium School established on 3rd July 1995  Vidisha for  boys and girls and has become one of the premier  educational institutions catering  to  the  needs  of  the  people of   Vidisha . It stands to meet the intellectual, cultural, emotional and physical developments of the children of Vidisha Town and of the neighboring localities.The school was inaugurated by Rt. Rev. Dr. Joseph Pastor Neelankavil, then Bishop of  Sagar  in proposed building. It was recognized by M.P. Board of Education for classes and IX- XII and I to VIII from 1995 & 1998 Respectively. In the year 2015, on 31st May yet another new school building was built to meet the growing demands of the people of the area to provide holistic development to their wards. Through  strenuons efforts of Fr.  Shaju the school got affiliated to CBSE Delhi from 1st April 2016.At present the school is growing fast under the patronage of newly elected  Bishop Rt.Rev. Dr.JAMES ATHIKALAM  Sagar and able guidance of   Fr. Saul Toppo, the present Manager of  the school with more than 70 staff and 2000 students from Nursery to XII standards.Our institution is known for its excellence in discipline, education and leadership. The instruments used in the realization of this character formation are the teachers, parents, and healthy environment.