Bower Park Academy Pupils took part in the Young Entrepreneurs scheme, aiming to improve digital skills of young people.
The students had to make a promotional film for local charity Havering Mind.
They were shown at an event at the CEME Centre on Thursday.
CBBC Presenter Rhys Stephenson was one of the judges along with Ciaran White from Havering Mind, Councillor Melvin Wallace and Time 107.5 Station Manager Lorna Waters.
