This is the KS3 PE curriculum - you only have to do 4 out of the following, so dance is not compulsory.
Range and content of Physical education key stage 3
This section outlines the breadth of the subject on which teachers should draw when teaching the key concepts and key processes.
The study of PE should include activities that cover at least four of the
following:
a. outwitting opponents, as in games activities
b. accurate replication of actions, phrases and sequences, as in gymnastic activities
c. exploring and communicating ideas, concepts and emotions, as in dance activities
d. performing at maximum levels in relation to speed, height, distance, strength or accuracy, as in athletic activities
e. identifying and solving problems to overcome challenges of an adventurous nature, as in life saving and personal survival in swimming and outdoor activities
f. exercising safely and effectively to improve health and wellbeing, as in fitness and health activities.
Hope this helps