Complex sentence: In addition, the school has many other instrument specific musical ensembles (like guitar, string and flute) and many highly successful sports teams, inculuding the Basketball team which represented Great Britain at the last schools World Championships held in Pau, France.
Split into simpler sentences: In addition, the school has many other instrument specific musical ensembles (like guitar, string and flute). Also it should be noted that there are many highly successful sports teams, inculuding the Basketball team which represented Great Britain at the last schools World Championships held in Pau, France.