It is absolutely a STRONG NFHS forum. It was one of the first places on the internet when refs started gathering online about 10 years ago and the membership here has demonstrated time and time again an incredible depth of understandingof NFHS rules, policies, etc It also has guys from probably one of the largest number of different states of any internet ref forum around.
An equally strong site for NCAA discussions is
NCAA Rules Discussion You are going to get a much wider variety of opinion and explanation on NCAA rules there than you can get here as the NCAA numbers here are relatively small.