Despite tries from Aidan Morgan and Meihana Grindlay, Hastings Boys' High School won the game and took out the top spot, beating King's 27 - 14.
"Definitely proud of my boys, we left it all out on the field and played our hearts out," King's captain Leandro Vakatini said.
"It has been a really good season, the boys have come this far and I'm really proud of our efforts."