Both the combined Dublin Colleges teams made further progress in the Leinster PP Schools SHC 'A' on Saturday afternoon.
Dublin South defeated combined Offaly Schools by 2-17 to 1-10 in St Clare's DCU while at the same venue their northside counterparts overcame Laois Schools, 2-15 to 2-10.
In the Leinster PP Schools SFC 'A' quarter-final Coláiste Eoin suffered a one-point defeat to Marist Athlone in Clan na nGael Athlone, 2-9 to 1-11.
That means St Benildus are the only remaining Dublin team in the provincial last-four after they overcame St Aidan's in last Friday's quarter-final in Ballymun Kickhams, 2-10 to 1-9, with Callum Pearson and Aaron Bradshaw getting their goals.
Leinster PP Sch SF “A” QF
Marist Athlone 2.9 v Colaiste Eoin 1.11
Leinster P.P. Sch SH “A” Group Teams Rd 2
Dublin South 2.17 v Offaly Schools 1.10
Dublin North 2.15 v Laois Schools 2.10