Classen High School Alumni Association Established in 1985 Membership: 4,200+ Meetings held third Sunday of every month at 2 p.m. at Classen Museum. Visit the Classen School of Advanced Studies web site to read up on current programs offered by the high school. Click here to go to their site.

Classen High School History Classen High School, constructed immediately following the close of World War I, is the oldest high school building in Oklahoma City. Classen opened as a junior high school in 1919. The land was part of an area being developed by the early Oklahoma City real estate developer, Anton H. Classen. A total of 6.33 acres was purchased by the Oklahoma City Public Schools Board of Education for $55,100. The building was constructed at a cost of $420,500 by the Holmboe Construction Company. The two story brick building was enlarged in 1921, 1923, 1925, 1934 and 1957. The school was converted to a high school in 1925, graduating its first senior class in the spring on 1926. The last CHS class graduated in 1985 when the school became a fifth year center. From its opening until 1985, CHS graduated slightly more than 20,000 students. In 1994 the school was changed to the Classen School of Advanced Studies, a magnet school for students in grades 6-12, and its first class graduated in May of 1997. The school's theater program has been invited to go to the Fringe Festival in Edinburgh, Scotland next year. Only twelve schools are invited from the U.S., 8 of those 12 get to perform around town in Edinburgh, and 4 of those 8 get to perform in historic theaters; CSAS is one of those 4. Broadway shows move, almost immediately, from this festival to either the London venues or Broadway. The caliber of actor at Fringe is outstanding.

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