He said the victories were very welcome and put paid to the "long time between drinks" the school had endured at the annual contest.
The winning teams took home prize packs that included scientific calculators, Rubik's Cubes, games, and snacks.
Penny Walker, St Matthews Collegiate School teacher and Wairarapa Mathematics Association member, said more than 400 students from Year 5 to year 10 had competed at the 2014 Matharapa contest, which had been "very successful".
Winning team in the Year 5 and 6 North (Wairarapa) grade was Hadlow Crafty Calculators, with Opaki Numerators second and Opaki Ninjas third. The Year 5 and 6 North (Wairarapa) grade winner was Martinborough Maths Masters, with Greytown Stars second and Kahutara Unicorns third.
The winner of the Year 7 grade was Greytown Crosses, with MIS Aces second and Opaki Ninjas third.
The winner of the Year 8 grade was Greytown Arrows, with MIS Py second and Dalefield third.
The winning team in the Year 9 grade was Kuranui Denominators, with WaiCol Legendre second and Rathkeale Four third.
The winner of the Year 10 grade was Rathkeale Four, with Rathkeale One second and Ponatahi Smarties third.