The more prepared you are studying tendencies of the game the smarter player you'll be -- and often times intelligence in on-field situations can make up for any difference in physical ability.
High school football is a high-pressure game, especially in some areas of the country. As detailed in Buzz Bissinger's landmark book Friday Night Lights, the fortunes and perceptions of towns can ebb and flow with the performance of their local team. In such a competitive world, how can you make yourself better?
Listen to your coach. This sounds basic, but a common problem with high school athletics across all sports is intrusive parents. Parents want the best for their children, but they also need to realize that sometimes "the best" can be provided by a coaching staff.