Complex sentence: Garfield attended Priory Preparatory School in Banstead and later City of London Freemen's School in nearby Ashtead, before training at the Central School of Speech and Drama, University of London, from which he graduated in 2004.
Split into simpler sentences: Garfield attended Priory Preparatory School in Banstead and later City of London Freemen's School in nearby Ashtead. Before training at the Central School of Speech and Drama, University of London, from which he graduated in 2004.