There have been nineteen former Maesydderwen pupils involved in the Ystradgynlais squad during the season, plus two current 6th former members Iwan Evans and Dominic Williams. All twenty were coached at school by current PE teacher Mr Darren Jones.
The team is currently coached by former Welsh international Vernon Cooper. He was also guided by Mr Jones during his time at Ysgol Maesydderwen.
The twenty one players from Maesydderwen are Owen James, Bowdy Davies, Ioan Kemp, Kylum Austin, Sean Harries, Alex Davies, Ricky Williams, Ryan Jones, Steffan Jones, Liam Harris, Iwan Evans, Dominic Williams, Nathan Holsgrove, Adrian Lock, Tomos Holsgrove, Kieran Jones, Thomas Collins, Scott Amber, Craig Llewellyn, Jonathan Lewis and Rhys Evans.
Historically Ysgol Maesydderwen pupils have proudly and successfully represented local sides Abercraf and Ystradgynlais. Long may this rugby tradition continue!