2017 Football Rule Differences NFHS NCAA Rules Compared Author:Paul Whiteside, George Demetriou, Jeffrey Stern 2017 Football Rule Differences: NFHS & NCAA Rules Compared A comprehensive listing of more than 200 differences between NFHS and NCAA football rules. Includes a quick-reference penalty differences chart rule difference index by approved ruling numbers and review of 2016 rule changes. If you work both high school and college, you'll be amazed a... more »t how often you'll use this great resource.« less