Keynes had stated that he is an atheist. Keynes attended the Anna Scher Theatre School from 2000 to 2005. He went to the all-boys City of London School, and took his GCSEs in May and June 2008. He studied biology, chemistry, maths, and history at A-level. In October 2010 he began his degree in Arabic and Middle Eastern History at Pembroke College, Cambridge. He is currently a movie critic, writing for "The Citizen", the City of London School weekly school newspaper. He is also a fan of English football club Arsenal.