The Oklahoma City Public Schools program participates in the IB Diploma Programme[5] and offers fine arts courses as well, offering art, drama, and music classes to any qualifying student.

[7] In 1995, Classen SAS won the Class B State Championship in Academic Quiz Bowl and in 1996, Classen SAS was the Class 3A State Runner-Up in Academic Quiz Bowl.

A total of 6.33 acres was purchased by the Oklahoma City Public Schools Board of Education for $55,100.

Due to declining enrollment, Classen High School closed in 1985 and the building became a 5th-year center.

In 1994, the Classen School of Advanced Studies opened with an enrollment size of 647, covering grades 6-10.