Complex sentence: Circus Center is one of the foremost circus school in the Western United States, founded in 1984 by Wendy Parkman and Judy Finelli as the San Francisco School of Circus Arts.
Split into simpler sentences: Circus Center is one of the foremost circus schools in the western United States. It was founded in 1984 by Wendy Parkman and Judy Finelli as the San Francisco School of Circus Arts.