Bishop Thomas Grant School was inspected by Ofsted in October 2014 and judged to be Outstanding in all four areas of the inspection: Leadership and Management; Behaviour and Safety; Quality of Teaching; and Achievement of Pupils. The Sixth Form was also judged to be Outstanding.
The full 2014 Ofsted inspection report can be accessed here.
In March 2012 Bishop Thomas Grant School was inspected by the Archdiocese of Southwark. This inspection praised the ethos and Catholic life of the school and can be accessed here.