Norman High School is a four-year public high school in Norman, Oklahoma with a steady enrollment of 1,945 students. It is accredited by North Central Association, the Oklahoma State Department of Education and the Oklahoma Secondary School Activities Association. The school year consists of two 15-week semesters with a 6 class flexible schedule, consisting of 52 minute periods. Norman High School is part of the Norman Independent School District No. 29 of Cleveland County, Oklahoma, more commonly known as Norman Public Schools (NPS). Norman High was ranked as one of the top 1,400 high schools in the United States in 2009.