<Li> WY: Wyoming High School Activities Association (WHSAA) </Li> <P> Training for the upcoming season usually starts with weightlifting and other conditioning activities, such as specialized speed and agility training . In some states, this begins a few weeks after the end of the previous season, and in others as late as August . Some states allow seven on seven scrimmages, while others prohibit formal practices during most of the summer . Near the end of the summer in mid-August, double sessions tend to begin and usually last for one week or until school starts . After double sessions end, regular season practices begin with daily sessions each week day afternoon except on game day . Practices are often held on Saturday as well, but almost never on Sunday . </P> <P> The regular season typically consists of ten games in most states; Kansas is one of the few states which limits teams to nine . Teams in Minnesota usually play eight, while teams in New York typically schedule only seven . The first game of the season is usually in early September, or late August, and the final regular season game is usually in mid to late October, with the end of the season varying by state and climate . Teams may have one or more bye weeks during the regular season . Larger schools (especially those with successful programs) can often draw attendances in the thousands, even for regular season games, and in some cases may play the game at a college or professional stadium to accommodate the expected large crowds . </P> <P> The vast majority of high school football games are scheduled on Friday nights, with Thursday evenings and Saturdays being less heavily used . Alternate days are most common in larger school districts where the facilities are used by multiple schools, or where the playing field is not illuminated for nighttime use due to financial limitations, local regulations, or neighborhood opposition against night games . </P>

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