Jane Austen and Cassandra Austen attended the Reading Ladies Boarding School situated in the former Abbey Gateway from 1785-1786. This is an engraving of the Abbey gatehouse (the school is in the building to the left of the gatehouse) as it appeared in 1786.
Jane Austen References
Letter to Cassandra Austen dated 24th May 1813
Link to AustenOnly Posts on the Reading Ladies Boarding School