In addition to Celina, the district serves a portion of Weston.
Celina High School's mascot is the Bobcat and the high school is best known for its dominating football program – it has eight state championships, tied for the most among 11-man programs in Texas (2007, 2005, 2001, 2000, 1999, 1998, 1995, and 1974).
Celina High School is also home to many other programs; the baseball team has also won a state title (2002 in Class AA).
Each year student groups qualify for state sweepstakes and national awards.
[1] In 2009, the school district was rated "recognized" by the Texas Education Agency.