BC (.552) and Michigan (.553) are essentially tied for the highest SoS in the NCAA, which uses USCHO's rankings, which uses RPI, which uses SoS. A huuuuge part of any RPI is strength of schedule.
Here is the official link:
Rankings College Hockey Rankings, USCHO Poll, USA Today Poll, PairEWise rankings, PWR, PairWise Comaparison, RPI, Ratings Percentage Index
www.uscho.com
Question -- Did you just begin following college sports? I know they're not big at all in Canada, so maybe that explains it. Well, here in the U.S., SoS and RPI are quite relevant come bowl season, March Madness, and Frozen Four time, among other NCAA championship tournaments.