Russell Adams:

On a Friday night in late October, the Prince of Peace Eagles are about to lose to Rockwall Christian 49-6. As she paces the sidelines, Susan Myers isn’t thinking about gender roles. She’s a coach for an 0-8 team whose players seem to be losing faith in themselves.
As quarterback Austin Smith shuffles off the field, Ms. Myers grabs his jersey and pulls him close until her nose is just a couple of inches from his facemask. Before the season, the Eagles had pointed to their next opponent, a small Catholic school in Irving, Texas, called The Highlands, as one they should beat. She wanted Mr. Smith to send a message to the team. “That’s the game we’ve got to win,” she shouted. “They’ve got to know that’s the game.”
As the wide receivers coach for Prince of Peace, a private Christian School near Dallas, Ms. Myers, 55 years old, is one of only a few women in the nation coaching high school football. So far as the American Football Coaches Association knows, she’s the only one plying her trade in Texas — a state where the boys who play the game and the men who lead them form a current that powers the egos of entire towns. Women operate on the fringes of the football world, mostly to support and validate. They rarely step on the field without a set of pompons.
Morgan Schwab, a wide receiver, had never heard of a female football coach before Prince of Peace hired Ms. Myers. He says he got over the novelty on the second day of spring practice when, during agility and footwork drills, she took a plastic bat to the legs of any players with poor form.

An excerpt from “The Complete Handbook of Coaching Wide Receivers” PDF.