sentences:  North Clayton has been an IB World School since May 2006.Students receive the IB Diploma Programme after passing a series of vigorous examinations such as IB Math, IB History, and IB foreign languages.As of the 2005-06 school year, the school had an enrollment of 1,568 students and a faculty of 81.3 classroom teachers (on a FTE basis, for a student-teacher ratio of 19.3.