Sacred Heart Senior Secondary School at Sidhpur in Dharamshala is owned and run by the congregation of Sisters of Charity of Jesus and Mary, founded by Fr.Peter Joseph Triest in Belgium, in 1803 and established in India, at Dalhousie in 1901,is missioned to reveal that God is love. The congregation values the educational Apostolate of helping individuals to discover their dignity as human persons and children of God. To bring about a society based on love ,justice and peace, is one of the most important aspect of this mission.

In the aftermath of Indo-Pak war in 1965 some military officials contacted the then provincial superior of Delhi province in Amritsar asking for sisters to take over the Garrison school in Yol Camp.

Amritsar and Dalhousie were already well established hub of educational apostolic work of Sisters of charity So, Yol was preferred for its climate and for the offer of accommodation.