Frank is the son of Frank and Angie Mijares. He has played three varsity sports-football, basketball, and baseball-while maintaining a 4+ GPA and a ranking in the top 10% of his senior class. He is a member of the National Honor Society,Texas Alliance of Minorities in Engineering, and the Texas Scholars Association. Frank is a youth leader at St. Elizabeth Ann Seton and has served as a Meals On Wheels volunteer for the last three years. He plans to attend UTPB or Texas Tech to major in mechanical engineering.