St Mary’s School is an unaided Christian minority institution   run by the congregation of Missionary Sisters of Mother Mary (MSMM) .It is a co-education institution established in 2014 by MSMM Society, as a response to the pressing educational needs of the town Cherallapay and the surrounding villages. Rev. Dr. Sr. Jessy Varghese Kariyatil, the superior general of MSMM is the correspondent of this prestigious institution, which has been growing and developing gradually year after year without any donation or grants. It’s well known for its excellence in discipline, quality education, training of body and mind as well as sound moral values.

The school offers diversity of academic facilities. It also introduces co- curricular activities as part of its curriculum. The program of studies is in accordance with the syllabi laid down by the Central Board of Secondary Education, Delhi. While the medium of institution is English, the school also lays special emphasis on teaching Hindi and Telugue as additional languages.