Complex sentence: The show was created by Max Mutchnick and David Kohan (of "Will & Grace" fame) and based the fictional school on Emerson College in Boston, which Clark attended in real life.
Split into simpler sentences: The show was created by Max Mutchnick and David Kohan (of "Will & Grace" fame). They based the fictional school on Emerson College in Boston, which Clark attended in real life.