St. Joseph's Convent School, Sagar was founded on 6 January 1906 by the Indian Province of the Sisters of St. Joseph of Chambery. The school is run by the sisters of St. Joseph. The institution imparts education up to 10 + 2 levels. The school campus is divided into two main sections: The Sishu Bhavan and the Secondary School.

The school have about 3 acres campus with over 3000 students studying currently. The school has been ranked no. 1 in sagar city with high quality education.