Pres' made it three wins from three with this comprehensive win, which saw them run in five tries in ideal playing conditions.
They opened the scoring when wing forward Matt Curtin crashed over and Mark O'Callaghan converted.
Kevin O'Keeffe was off target with an easy penalty attempt for the visitors but O'Callaghan extended the home side's lead with a penalty.
The home side were rocked when a good back line move by the visitors saw Andrew Boland touch down and O'Keeffe converted. A try by winger Ian Long made it 15-7 for the home side just before the half time whistle.
It was all one way traffic in the second half and Pres' extended their advantage after five minutes when Aidan Slattery scored in the corner and O' Callaghan converted.
Tom Ryan did come close to scoring a try for the visitors but was tackled to touch just short of the line.
Curtin scored his second try fifteen minutes from time and completed the scoring when O'Callaghan went in for a try in the final minute which he also converted.
Scorers: P.B.C: Mark O'Callaghan 1 try, 1 penalty & 3 conversions; Matt Curtin 2 tries; Aidan Slattery & Ian Long 1 try each. Glenstal Abbey: Andrew Boland 1 try; Kevin O'Keeffe 1 conversion.
P.B.C: Rory Fenton; Ian Long, Gavin O'Callaghan, Peter O'Brien, James Daly; Mark O'Callaghan, Tommy Duggan; David O'Halloran, Max Abbott, Ryan Callanan; Killian Down, Sean Hanley; Matt Curtin, Cian Murphy, Aidan Slattery.
Replacements: Aidan Lynch, Peter O'Shea, Jack Healy, Daniel Hobbs, Will Dennehy, Dan O'Meara, Darren Kenny.
Glenstal Abbey: Andrew Devereux; Kevin O'Keeffe, Andrew Boland, Hugh Connors, Paddy Glavey; Tip Delaney, Cormac McDonagh; Dermot Dolan, Josh Kenny, Owen Grennan; Conor Buckley, Richie O'Hara; Mark Cotter, Rossa Dooley, Tom Ryan.Replacements: Mauritz Fink, Ivan Paleaz, Justin Neville, Henry Bauer.
Referee: Dave O'Flynn (M.A.R.)
McCarthy Cup Round Up:
Pres' remain unbeaten in the Under 15 League after a hard earned 18-12 win over Glenstal at Wilton. Two tries from Nicky Boland and a conversion by Max Ryan gave the visitors a 12-10 half time lead. Andrew Ring scored a try for Pres' and Dara O'Sullivan kicked a penalty and a conversion.
A try by Paul Kiernan following a darting run and an O'Sullivan penalty earned the Mardyke College the points.
Rockwell travelled to Bandon Grammar and came away with a 48-5 victory. Ian O'Reilly scored four tries, Ben Reilly got two, five conversions and a penalty and William Coffey also scored a try. Gavin Coombes replied with a try for the home side.
Bowen Shield:P.B.C. 34 Glenstal 7;
McCarthy Cup:Bandon Grammar 5, Rockwell College 48;
P.B.C. 18, Glenstal Abbey 12;
Schools Senior Friendly:P.B.C.22, Bandon Grammar 15;