King's has an exceptional instrumental programme. Well over half the children play in one or more ensembles which include, Pre-prep. String Ensemble, String Band, Sinfonietta, Sinfonia, Wind Band, King's Wind, Canzonetta, King's Brass, King's Beaters, Jazz Combo, Guitar Ensembles and the KCS Orchestra.
All ensembles have the opportunity to play in one or more school concerts performing a wide-range of music. The KCS Orchestra's repertoire includes large-scale pieces such as Bizet’s Carmen Suite and Symphony in C major (first mov.), Dvorak's Hungarian Dances, Schumann Piano concerto (first mov.), Bruch Violin Concerto while Sinfonia perform smaller-scale works including Bach's Brandenburg Concerto 4, Vivaldi Four Seasons, Corelli Concertos and most recently Warlock's Capriol Suite.