Geoffrey Barber was appointed Head of the Music Department at Stockport School in 1951. During his time at the school, he showed his prowess as a conductor of choral music, presenting the works of Britten, Haydn, and C. V. Stanford. In 1963, he achieved outstanding success with the school's first opera, which was Gilbert and Sullivan's 'H. M. S. Pinafore', this subsequently leading to further operas. Upon his resignation from the post in 1971, Mr Barber was made Master in Charge of Music at the school, with him contributing to the design of their new organ in 1972, which was made by J. W. Walker & Sons, Ltd., and providing choral items in the same year as director of the Northern Cathedral Singers. Geoffrey also formed the Maia Boys Choir in 1945 and was appointed Director of Music in 1957. Overall, he spent 17 years with the Maia Singers of Stockport.