The Youth Engagement and Participation Service (YEPS) offer young people aged 11-25 lots of free activities across schools and youth settings. Their website also has advice and guidance on a range of topics including housing, health and wellbeing, relationships and more! Visit their site here: YEPS - RCT's Youth Service
If you are aged between 11 and 25, visit the RCT Families website for information, advice, and things to do - I'm between 11 and 25 | RCT Families