I play my secondary school system under an English education system, because it’s what I know. So the teens start senior school in the academic year they turn 12 and leave when they’re 18.
The main aim for the teenagers with their education is choosing a career and qualifying for University.
School Years
Year 7 ~ 11-12
Year 8 ~ 12-13
Year 9 ~ 13-14
Year 10 ~ 14-15
Year 11 ~ 15-16 (GCSE)
Year 12 ~ 16-17
Year 13 ~ 17-18 (A Level)