Established in 1930, St Thomas School is an all girls school located on Mandir Marg. One of the best convent institutes in the country, the school is run by the Diocese of Delhi and dedicated to the education of girls. Affiliated to CBSE, the school is known for garnering commendable results, year after year. The school is equipped with spacious classrooms, labs, library, medical centre and counseling cell. The school also encourages it students to take part in extracurricular activities for overall holistic development of its students.