"I have greatness within me." That was the message Dr Stephen Addison got every child to recite in assembly today, and it stayed with the room long after he had finished speaking.

Dr Addison has built a career around changing lives. As founder of BoxUp Crime, he delivers boxing training and mentoring to more than 2,000 young people every week across the UK, Switzerland and Ghana, and around 50,000 children have been touched by his work. He spoke honestly about his own journey from the wrong path in primary school, through expulsion and gang involvement, to discovering God and turning his life around completely.

His message was simple: whatever you have done, it can be forgiven, and your life and career can reach further than you ever imagined.

Our Year 4 pupils also got to learn some boxing too!