Complex sentence: He went on to concentrate in theatre at Sarah Lawrence College, and was accepted into the Lila Acheson Wallace American Playwrights Program at the Juilliard School, where he wrote under the tutelage of Marsha Norman and Christopher Durang.
Split into simpler sentences: He went on to concentrate in theatre at Sarah Lawrence College. He was accepted into the Lila Acheson Wallace American Playwrights Program at the Juilliard School, where he wrote under the tutelage of playwrights Marsha Norman and Christopher Durang.