St. Mary?s Sec School Sambhal, is a Catholic Institution. It belongs to the catholic Diocese of Meerut. The foundation stone of the school was laid by Rt. Rev. Bishop Patrick Nair, the Bishop of Meerut on 26th April 1998. The inauguration of the school was done by Rt. Rev. Bishop Oswald Lewis, Co-adjutor Bishop of Meerut, in July 1998.The school was started in temporary building with LKG and UKG classes.

Gradually the school grew, and number of staff and students increased. At present the strength is 1000 on roll. The small beginning has flourished into an established Institution providing education for children up to class X, irrespective of religion, race caste, language sex or place of birth