 Roach was an Australia Schoolboys representative in 2009 and 2010, and is currently the equal most capped schools rugby player in Australia.He was also a member of the Australia Under 20 side for both the 2011 where he made 3 appearances (Fiji, Samoa, New Zealand) and 2012 IRB Junior World Championships where he was capped a further 4 times ( Scotland, Argentina, France twice).Roach initially made his name playing for Eastwood in the Shute Shield competition and was named Shute Shield Rookie of the Year after the 2013 tournament.