The game is recognizably the same from a Friday night high school matchup to the Super Bowl, but almost everything else changes: the speed, the complexity, the rules and the time demands.
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High school
High school football is where most players learn the fundamentals. Teams range widely in size and resources. Games usually have 12-minute quarters, and most states follow rules written by the National Federation of State High School Associations (NFHS). Many players play both offense and defense, and schemes are simpler.
College
College football is a big step up in speed, size and preparation. Players train year-round, study film extensively and learn complex schemes. Rules come from the NCAA, with 15-minute quarters. Major differences from the NFL include:
a receiver needs only one foot in bounds for a catch (two in the NFL);
defensive pass interference is capped at 15 yards;
distinct overtime rules, with possessions starting near the opponent’s end zone.
College programs range from large Division I schools to small colleges, with very different levels of competition.
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The NFL
The NFL is the highest level: the best players from college programs, more speed at every position, and highly specialized coaching staffs. Schemes and in-game adjustments are complex, and the margin for error is small. Players are full-time professionals, and the season includes preseason, 17 regular-season games and playoffs.
Moving up
Only a small share of high school players go on to play in college, and a much smaller share reach the NFL. What makes the difference:
athletic qualities, especially speed, size for the position and explosiveness;
consistent performance on film;
academics, which determine college eligibility;
coachability and work ethic.
High school players interested in college football should talk to their coaches early and research eligibility requirements. Training is covered in building football strength and speed, and the path from college to the NFL in the NFL draft explained.
