Tauranga started well and after a brilliant cut through Hamilton's defence by first-five Dan Hollinshead, carried on by Jayden Tane, they were cruelly denied an opening try by some goal line mischief that was missed by the referee. Even so, they jumped out to a 6-0 lead with two Hollinshead penalties but that was the beginning and the end of the day for Tauranga.
Hamilton got their impressive ball running forwards rumbling forward and quickly capitalised on the inevitable holes. First five Bryn Gatland, watched by dad and British Lions coach Warren, made a huge break to set up winger Isaac Te Tamaki before lock Viliami Tuipolotu crashed over.
Right winger Paul Narawa finished off another concisely constructed move to put Hamilton up 20-6. In injury time Hollinshead kicked another penalty but at 20-9 down, and facing a freshening breeze, things were not looking good for the home supporters and they quickly got worse.
Minutes into the second spell came the telling blow for Tauranga when Te Tamaki broke a tackle and burnt the defence off from 45 metres for a brilliant individual try. What followed was an intense 10 minutes defending their line by Tauranga before inevitably the points had to come.
Firstly the luck went Hamilton's way when a speculative punt bounced off the crossbar and fell into fullback Te Raina Richards-Coxhead's arms for a try under the posts, before an audacious piece of skill with a kick and recover from giant lock Samual Chongkit put an end to the scoring.
Hamilton now face Wellington College in the Top Four semifinal next week while Tauranga have a few weeks to recover before the trip of a lifetime to Ireland, Wales and Hong Kong at the end of the month.
It was a disappointing end to the season but Tauranga can look back with pride at beating Rotorua Boys' for the first time since 1994. They managed it twice this year with both wins in Rotorua to add to the achievement.
Hamilton Boys' High School 39 (Isaac Te Tamaki 2, Viliami Tuipolotu, Paul Narawa, Te Raina Richards-Coxhead, Samual Chongkit tries; Bryn Gatland 3 cons, pen) Tauranga Boys' College 9 (Dan Hollinshead 3 pens)