How many quarters do you play to letter in high school football?

In high school football, a game typically consists of four quarters, each lasting 12 minutes in most states. To letter in football, student-athletes usually need to meet specific criteria set by their school, which often includes participating in a certain number of games or quarters throughout the season. Generally, playing in a majority of the quarters during the season is required to earn a varsity letter. However, specific requirements can vary by school and team.