Holders RBAI and Campbell College have made it through to the semi-finals of the Schools' Cup with convincing wins over Down High School and Lisneal College.
Seb Yeates hit 6 fours and a six as he made 82 out of Campbell's 150 for 6 in 30 overs against Lisneal, with Harry Dyer also making 20.
Lewis Campbell (2-12) and David Guy (2-21) were the pick of the NW side's bowling attack.
Lisneal struggled in the reply with Leland McElwee's 16 the best of their 93 all out - Harry Dyer having the remarkable figures of 5 for 2 in his five overs spell as his team won by 57 runs.
Harry Dyer
RBAI eased into the last four as half centuruies from Tom Crothers (66) and Ben McCausland (54*), plus 30 from James West powered them to 238 for 6.
Down HS could only muster 70 in reply with three wickets for Adam Leckey in the 168-run win.
Strabane Academy host Limavady Grammar on Wednesday, while in the other remaining game Wallace face Ballyclare.