St. Xavier's School, Delhi is a Roman Catholic Christian, co-educational school from prep to grade 12 founded and run by Jesuits. The school is located on Raj Niwas Marg in the Civil Lines area of Delhi, India. The school has another branch in Rohini, on the outskirts of Delhi.

The school drawing inspiration from the life and teachings of Jesus Christ, aims at facilitating the Xaverian family spiritual and moral as well as intellectual and aesthetic values.

Founded in the year 1960, the school works under the management of the Society of Jesus, an International Christian Religious order founded by St. Ignatius of Loyola in 1540 AD. The school is recognised by the Directorate of Education, Delhi Administration and is affiliated to the Central Board of Secondary Education for the All India Secondary School Examination and All India Senior School Certificate Examination.