Original sentence: Efron has also graduated from the  Pacific Conservatory of the Performing Arts, a community college located in Santa Maria, California, which provided him with a two-year vocational certificate program specializing in all aspects of acting
Edited sentence: Efron has also graduated from the  Pacific Conservatory of the Performing Arts, a community college located in Santa Maria, California, which provided him with a rigorous two-year vocational certificate program specializing in all aspects of acting