Girls' High School & College is an English medium school and a private all-girls school for boarders and day scholars in Prayagraj in the state of Uttar Pradesh in India, founded in 1861, the year of our lord to provide a Christian education to the children of Europeans and Anglo-Indians, but has always accepted children from all backgrounds.

GHS was founded on 5 November 1861 by the Englishmen and women who were keen to advance the cause of education in Prayagraj according to the doctrines of the Church of England, especially among the children of the European and Anglo-Indian descent.

That from the very inception, the founders envisaged the admission of all communities is proved by the fact that Articles of Association provided a conscience clause for all those who for any reason preferred that their children be educated according to the doctrines of Church of England.

The school was recognized for the Overseas Examination Board of Cambridge University till 1976 before being affiliated to ICSE and ISC.

On this occasion, an impressive Thanksgiving Service is held at the historic All Saints' Cathedral where students of Girls' High School (GHS), Boys' High School (BHS) and College and its annexe, Holy Trinity School (HTS) march in unison all the way to the All Saints' Cathedral from their respective institutions to offer Thanksgivings to the founders.