Five teachers, 16 adults and two camp cooks were involved, giving up their time outside of school hours to manage and coach the teams.
WIS had students competing in 11 disciplines: sevens rugby, football, hockey, six-a-side hockey, netball, basketball, tennis, squash, gym sport, aerobics and cross country.
The mixed six-a-side team were the highlight, winning all of their games.
This included an 18-0 thumping of Oropi School and an 8-0 win over Berkeley Normal Middle School in pool play.
They followed this with a 7-3 win over Taradale Intermediate to qualify for the final, where they faced Berkeley once again.
WIS scraped home 3-0 in a tight encounter, helped by a hat-trick from Sam Lints. Berkeley's Ben Allen hit the backframe twice and goalkeeper Alexander Stokes had a great game, but WIS were too strong.
Lints and Ben Murray won selection into the tournament team for their efforts in the six-a-side competition.
Amy Hunt and Jolee Campbell also made tournament teams. Hunt stood out in the 11-a-side girls hockey, while Campbell was a force in the netball side.
In the tennis, Daniel Hammond was seeded fifth going into the tournament.
After having a bye in the first round, he breezed past Blake Cullen in the second round 6-2 6-0.
He then swept aside 13th seed Ryan Carter 6-4 6-2 to make the quarter-finals.
After being pushed to a tie-breaker in the first set, Hammond romped home to beat fourth seed Alexander Mirkov 7-6 (3) 6-3.
Facing the number one seed was always going to be tough, but Hammond put up a good fight against eventual champion Corban Crowther.
After losing the first set 6-1, Hammond romped back into the contest with a 6-1 set win of his own. Crowther then proved too good in the third to take the deciding set 6-1.
Rankin said he was proud of how the students performed.
"We are all really chuffed about this year's results and that we can offer our students the opportunity to play sport at a high level," he said.
