Three books of practice tests are available for the updated KET exam. Each contains four sets of exam papers from Cambridge ESOL.

Cambridge KET 3 contains four complete papers for the Cambridge Key English Test from University of Cambridge ESOL Examinations. These past examination papers provide the most authentic exam preparation available. They allow candidates to familiarise themselves with the content and format of the examination and to practise useful examination techniques. These papers follow the March 2004 revised exam specifications. The Student's Book with Answers also contains a comprehensive section of keys and recording scripts, making it suitable for self-study. The Self-study Pack also contains the Student's Book with Answers and the Audio CD.