Complex sentence: At the end he chooses to change his ways via restarting School from the Lower class, and wanting no further involvement in the Gang they go on a field trip to a safari park and their minibus breaks down.
Split into simpler sentences: At the end he chooses to change his ways via restarting school from the lower class, and wanting no further involvement in the gang. The class goes on a field trip to a safari park and their minibus breaks down.