Marian's golf team came away with three wins, while Panther Valley and Palmerton also both scored victories on Thursday.
Bangor, Saucon Valley and Northwestern each had a golfer shoot in the 70s, however the Slaters had two and went on to win both matches.
James Lobb and Stani Schiavone each fired a five-over 77 en route to the victory.
The Tigers were led by Nick Vebellio's 79. Teammate Cole Miller chipped in with an 83.
James Lobb 77, Stani Schiavone 77, Kyle Kosman 81, Alex Colton 85