 Garfield attended Priory Preparatory School in Banstead and later City of London Freemen's School in Ashtead, before training at the Central School of Speech and Drama, University of London.Garfield began taking acting classes in Guildford, Surrey, when he was 9, and appeared in a youth theatre production of "Bugsy Malone".He also joined a small youth theatre workshop group in Epsom and took Theatre Studies at A-level before studying for a further 3 years at a UK conservatoire, the Central School of Speech and Drama.