Newton House offers tennis, swimming, cross country running, netball, gymnastics, soccer and karate. It is possible for children to do individual music instrumentation in the afternoons. Other sports will be introduced as numbers grow. All sports are properly coached with the aim of competing against other schools.
The performing arts will also receive full attention through the offering of drama, choral singing, individual music lessons, and art. Children will be enrolled in eisteddfods
In addition to the standard sport and performing arts activities that are offered by the school, Newton House also offers Chess (both social and inter-school league), and Art Club.