Breckenridge High School: 9-12th Grades. Breckenridge ISD.Breckenridge Independent School District: Includes links to each campus, calendar, employment, and contact information.Breckenridge Junior High School: 6-8th Grades. Breckenridge ISD.East Elementary School: K-1st Grade. Breckenridge ISD.North Elementary School: 2-3rd Grades. Breckenridge ISD.South Elementary School: 4-5th Grades. Breckenridge ISD.