Northstar Christian Academy senior Miles Brown scored 48 points and the Knights held off a fourth quarter rally to beat Aquinas, 101-96.
Ryan Garwood scored 12 points in the first quarter as the Knights ran out to a 32-10 lead.
Brown scored 31 points in the first half and the Knights (8-0) led 57-32 at the half.
Trailing 80-63 heading into the fourth, the Li'l Irish mounted a furious rally, cutting the lead to four with ten seconds left.
Tyler Warner paced Aquinas with 26 points.
Brown, who became Section V's all-time leading scorer on Saturday, is now 14th on the New York State all-time scoring list with 2,497 points.