Here is the only Strength of Schedule rankings I could find so far.

http://www.teamrankings.com/college-football/ranking/strength-of-schedule-by-team

In case you dont see ND, dont worry, just keep scrolling down the list to #40

As I said before, I dont want to take anything away from the great season as it is just that, a great season.

However I wouldnt exactly say they have a tough schedule.

Not just my opinion, but one of this website as well.

Doug