They have had some pretty good teams over the years. You can look at all their seasons here. http://www.scott.k12.va.us/gchsfootball/Electronic%20Scrapbook.htm
They won state in 1970,1974,1997, and 2003. The best Defense to ever come through GC was in 1965. Only had 6 points scored on them the whole season. http://www.scott.k12.va.us/gchsfootball/yearpages/1965.htm