XCCS established in the year of 1995 under the St Mary’s, Surajgarha , (A registered society under Societies Act XXI OF 1860 bearing registration no. I/1955-56) presently headed by The Director, Fr. Arun Ignatious, S.J. It is located in the campus of St. Mary’s English School High School, Patna .

• To provide quality computer education to school children and local mass.
• To provide research and development facilities in the field of computer softwares to students.
• Electronic Data Processing and Customise software support to clients.
• Facilitate corporate trainings.
• Helping universities like Indira Gandhi National Open University, New Delhi for running their all Certificate/Degree/Diploma programmes in computer.