Saint Marys Preparatory Public School, Sangam Vihar

Saint Marys Preparatory Public School sits in Devli village, near Prajapat Mohalla, in the Sangam Vihar belt of South Delhi, and is the preparatory wing of the St. Mary's Public School group founded by the St. Thomas Educational Society. Its Devli branch was started in 1990, and it is a co-educational, English-medium school for the early years, taking children through a pre-primary section and Classes 1 to 5. The school follows a CBSE-pattern foundation curriculum and was set up with a stated mission to educate children of the neighbourhood regardless of background.

As a primary campus, it prepares young learners before they continue to the group's senior school in Devli for the middle and secondary years. Day-to-day teaching centres on foundational literacy, numeracy and activity-based learning suited to small children. School transport is available for the immediate Devli and Sangam Vihar area, and admissions are handled directly at the school ahead of each new session.