[2] In addition to the main cast, the series featured cameo performances from Girls Aloud, Boyzone, Matt Willis and Gemma Bissix.
[3] The show featured an original soundtrack which was created by a team of pop producers and writers in the UK, led by Take That member Gary Barlow.
Britannia High was based on an idea by Strictly Come Dancing choreography judge Arlene Phillips and theatre impresario David Ian, who were both executive producers for the show.
Guy Chambers, Steve Mac, Andy Hill, Mark Owen, James Bourne and Eliot Kennedy also contributed to the musical component of the show.
The Britannia High website was the virtual home of the performing arts school, and featured interactive elements such as blogs, photographs, e-newsletters and music from Universal Artists.