How many players must be on Team A's line at the snap for a legal scrimmage formation?

In order for Team A to have a legal scrimmage formation, there must be at least seven players positioned on the line of scrimmage at the snap. This requirement ensures that the formation adheres to NFHS rules, which are designed to promote fair play and safety.

The rule stipulates that at least seven players must be on the line to prevent any unfair advantages and to maintain the integrity of the play. With fewer than seven players on the line, the formation would not comply with the specified regulations, potentially leading to penalties or violations of the formation rules. This rule plays a crucial role in the strategy of the game, as it affects both offensive and defensive alignments and responsibilities during a play.