I know several coaches that don't keep stats. Only time they take stats is if they know a kid had a special night...then they will go back and take stats off the film. Not uncommon at all. I think most football coaches have a stat guy on Friday night and use those "rough" numbers to enter something on Friday or Saturday (just to please the masses), but don't verify anything until they have taken stats off of the film.
Also, I would question the coaching practices in trying to gain a scouting advantage based on the other team's stats (rather than watching their film, which is available to all coaches in the hudl pool). Stats lie. Film doesn't.
Regardless, I am interested in why the NSAA cares if stats are reported or not? Scores make sense because they are needed for power point calculations. Why does the NSAA want stats? Is it for state records maybe?