 The city 's secondary grammar schools are Barton Court Grammar School , Simon Langton Grammar School for Boys and Simon Langton Girls ' Grammar School ; all of which in 2008 had over 93 % of their pupils gain five or more GCSEs at grades A * to C , including English and maths . The non @-@ selective state secondary schools are The Canterbury High School , St Anselm 's Catholic School and the Church of England 's Archbishop 's School ; all of which in 2008 had more than 30 % of their pupils gain five or more GCSEs at grades A * to C including English and maths . 
