Cardiff entertained Swansea at Rumney RFC and ran out comfortable 37pts to 10 winners while The Rhondda drew 17 all with Llanelli Schools but went through on try count.
The final will take place at the Millennium Stadium Tuesday April 24th, kick off time to be confirmed.
Cardiff Schools Finals Day
Cardiff Schools Intermediate group hold their finals day at Rumney RFC Wednesday April 4th. All five finals will take place with the U12, U13 and U14 games kicking off at 1pm and the U15 and U16 finals at 2.30pm. The clubhouse will be open for refreshments.
Entry to the finals is free.