Premise: The Big 12 Conference is a ten-school collegiate athletic conference headquartered in Irving, Texas. It is a member of the NCAA's Division I for all sports; its football teams compete in the Football Bowl Subdivision (FBS; formerly Division I-A), the higher of two levels of NCAA Division I football competition. Member schools are located in Iowa, Kansas, Oklahoma, Texas, and West Virginia.
Hypothesis: There are fifty three schools in the Big 12.