Even longtime fans have asked, "Is Friday Night Lights based on a true story?" Though it is, it's one that traveled through layers of adaptation. The real-life Permian Panthers, and the surrounding town of Odessa, were a major inspiration for the critically acclaimed NBC series and its setting of Dillon, Texas. However, the series dramatically altered much of the real-life town and its story, using it as inspiration instead of directly retelling events.
https://screenrant.com/friday-night-lights-true-story-real-inspirations-explained/