Wanganui Judo members also earned 15 other top-three placings, notably brown-belt Bradon Mence coming second in the under-60kg Senior men's grade in his comeback to the sport.
City College coach Gary Davies was also pleased with the efforts of the 19 members of his club who entered.
"Everyone medalled yesterday," he said on Sunday morning.
The highlights included Antoine Rahier winning the under-60kg grade for Junior men and Senior men.
Finn Brown, 17, earned medals in four divisions including Senior men, with two golds among them.
Also making a comeback to the sport, Andrew Kinchella shook off a three-to-four-year absence to stand out in the under-60kg Cadet men's grade.
Wayne Watson said Wanganui will also host the national training camp in February 2015, which will bring 100 of the top fighters in the country to the town.