Diocesan Choral Society (DCS) is a mixed chorus based in Hong Kong. Comprising of young alumni from both Diocesan Boys' School and Diocesan Girls' School, DCS has received accolades and acclaim under the baton of Mr. Ronnie Kay-yen Cheng. It has staged many successful performances, such as in the Hong Kong Schools Music Festival, the World Choir Games, the International Johannes Brahms Festival, the Hong Kong International Youth and Children's Choir Festival, and Andrea Bocelli's Asia Tour With Passione. DCS is ranked as the 5th best Children's and Youth Choir and holds a ranking of 26 out of the top 1000 choirs worldwide.