The expanded 12-team College Football Playoff field is determined each season by an official selection committee that evaluates conference championships, strength of schedule, and overall regular-season resumes across the Football Bowl Subdivision. Under the tournament's structural format, the bracket is composed of the five highest-ranked conference champions—which traditionally include the champions of powerhouse leagues like the SEC, Big Ten, Big 12, and ACC, alongside the top-ranked Group of Five champion—who earn automatic postseason berths. The remaining seven spots are awarded as at-large bids to the highest-ranked remaining teams in the committee's final rankings. Because the field is established dynamically based on regular-season performance, the exact twelve programs competing in the bracket change each December, creating intense competition across all major collegiate football conferences.