The Texas high school football regular season is winding to a close, and On3 is tracking the latest scores and providing updates from games across the Lone Star State. Just three weeks until bi-district play begins, and the playoff push is beginning. This week features a number of terrific matchups, headlined by a top-five battle between Atascocita and North Shore down in Houston. Follow along with the latest updates below: The On3 Massey Ratings — officially used during the BCS era and generated college high school sports team rankings since 1995 — rank sports teams by analyzing game outcomes…