Christchurch Boys' High School and King’s College will contest for the 2006 Gillette Cup title after winning their final pool games.
King's College completed their pool play with a nine-wicket defeat of joint-holders Tauranga Boys' College to progress.
Tim Southee and leg-spinner William Brittain secured four wickets each to dismiss Tauranga for 88.
King's made short work of the chase scoring the required runs in 134 overs to win handsomely by nine wickets. Chief run makers were Jonathan Noakes (48) and Angus McLean (24no).
Christchurch overcame Palmerston North Boys' High School despite another half-century from prolific batsman Chad Law helping his team to 202 for seven.
But Sam Noster posted an excellent 96*, combining in partnerships of 89 with Brendon McFarlane (35) and 94 unbroken with Corey Anderson (49*) to help their side home.
Otago Boys’ High and St Patrick’s College completed their round-robin schedules with victories.
Charlie Hendry’s 88 helped Otago set 220/9 against Rathkeale, despite Dean van Deventer’s 4/30.
Rathkeale made a valiant attempt to chase down the runs being all out for 210 in the final over of the match.
St Pats defeated Hamilton Boys' High School versus St Patrick's College by five runs, with a productive sixth-wicket stand between David Houghton (71no) and Sam Outtrim (31) helping them reach 178.
Hamilton BHS chased well but was dismissed in the final over for 173, Captain Bradley Perrett leading with 45, and Izac McKillop assisting with 43.
Otago BHS: 220/9 (Charlie Hendry 88, Sam Ward 48, Colin Aitken 26; Dean van Deventer 4/30, Doug Bracewell 2/25, Jamie Willetts 2/28)
Rathkeale: 210 (Matt Dalley 35, Doug Bracewell 30, Simon Clinton-Baker 25, Andy Oldfield 24)
Result: Win to Otago BHS by 10 runs
Tauranga BC: 89 (Adam Peacock 20; Tim Southee 4/9, William Brittain 4/23)
King's College: 91/1 (Jonathan Noakes 48, Angus McLean 24*)
Result: Win to King's College by 9 wickets
St Patrick's College: 178/8 (David Houghton 71*, Sam Outtrim 31, Aaron Pennell 21; Jonathan Otto 2/28, Bradley Perrett 2/40, Izac McKillop 2/45)
Hamilton BHS: 173 (Bradley Perrett 45, Izac McKillop 43; David Houghton 2/29, Jack Walsh 2/19)
Result: Win to St Patrick's College by 5 runs
Palmerston North BHS: 202/7 (Chad Law 60, George Worker 49, Villi Tosi 23; Corey Anderson 2/35, Matthew Farrant 2/37)
Christchurch BHS: 206/2 (Sam Noster 96*, Corey Anderson 49*, Brendon McFarlane 35; Bryn Templeman 2/15)
Result: Win to Christchurch Boys' High School by 8 wickets