Complex sentence: Ten years later, San Francisco School of Circus Arts was founded by Wendy Parkman and Judy Finelli as a project of the Pickle Family Circus, and the school was then located at the Pickle's headquarters in an old church on San Francisco's Potrero Hill.
Split into simpler sentences: Ten years later, the San Francisco School of Circus Arts was founded by Wendy Parkman and Judy Finelli as a project of the Pickle Family Circus. The school was then located at the Pickle headquarters in an old church on San Francisco's Potrero Hill.