UWIC showed no signs of summer rustiness as they romped to a six-try, 51-13 blitz over Newbridge to top Division One East.
The students, fresh from a three-month holiday, found life difficult in the first half as they took a slender 13-10 lead at half-time.
But their homework must have been done as 26 points from fly-half Simon Humberson including a second-half try, allowed them to get into their stride.
Blackwood also crossed half a dozen times through Gavin Rees, Gareth Rosby, Mark Guilt, Dean Gibbs, Mike Georgriu and a penalty try in their comfortable 43-7 win against Tredegar.
Ystrad Rhondda edged a high-scoring 11-try thriller to beat Merthyr 44-30 while Bargoed, inspired by 15 points from fly-half Steffan Jones and Rumney also grabbed bonus points at Beddau and Caerphilly respectively.
The games were much tighter in Division One West where only Whitland managed to ran in four tries for a maximum over Bridgend Athletic.
Aled Jones set the hosts on their way before Lee Glanville, Ryan Michael and Dion Thomas as well as 11 points from the boot of Aled Davies sealed a 31-10 success.
Trailing 17-0 at the break, Bridgend did muster a late period of pressure and Rod Jones scored a late consolation with Stuart Morris adding the conversion and a penalty.
Stuart Jenkins grabbed a brace of tries and Stuart Wall also crossed for Felinfoel in their narrow opening 24-21 win over Builth Wells.
The scores were tied 14-14 at the interval but a vital contribution of nine points from Jonathan Griffith swung the match in the home side's favour.
Corus emerged victors 33-18 at Llangennech who scored tries in either half from Chris Franches and Adam Warren, Carmarthen Athletic defeated Cwmyllynfell 20-10 and Tonmawr returned victorious 21-16 at Bonymaen.
Wales assistant coach Robin McBryde is predicting a tough battle against England on Sunday despite the fact they may not be considered to be at full strength. Players will be out to impress Eddie Jones which makes England a dangerous proposition, he says.
Wales U20 captain Tom Phillips and performance psychologist Dr Rich Neil explain why spending three days at Monmouth RFC has further strengthened the togetherness of the squad ahead of the #WorldRugbyU20s
Alongside Scarlets flanker James Davies and Cardiff Blues centre Cory Allen, three Wales Sevens core players have made the extended training squad for GB Sevens. Wales Head coach Gareth Williams tells WRU TV's Graeme Gillespie why Luke Treharne, Sam Cross and Luke Morgan earned selection in the initial training squad for Rio.
Wales Sevens head coach Gareth Williams tells WRU TV's Graeme Gillespie he has had to overcome a number of injuries before naming a competitive squad for this weekend's penultimate round of the World Series in Paris.
Merthyr were officially crowned champions of the SSE SWALEC Championship at Dowlais on Saturday where captain Andy Powell paid tribute to his side who have earned promotion to the Principality Premiership
Coleg y Cymoedd's season has had a spectacular ending with victory in two cup finals and a massive victory over one of the best rugby playing schools in the world - Welsh coach Warren Gatland's old alma mater, Hamilton Boys' High School.
WRU chief executive Martyn Phillips hosted the second meeting of the WRU Youth Board last weekend ahead of the Judgement Day IV regional double-header. Tthe board, made up of 15 under-21-year-olds from around Wales, heard presentations from head of participation Ryan Jones, policy and integrity manager Jeremy Rogers and national women's rugby manager Caroline Spanton, with Pro Rugby Wales CEO Mark Davies also on hand to hear the range of views aired.