He followed this with the commercially successful comedy 17 Again (2009) about a 37-year-old man (Matthew Perry) who is transformed into his 17-year-old self (Efron) after a chance accident.
and was then accepted into the University of Southern California but did not enroll.
After lending his voice to the commercially successful computer-animated film The Lorax (2012), he appeared as the male lead in the romantic drama The Lucky One (2012), based on the novel of the same name by Nicholas Sparks.
The film became a major box office success despite negative reviews from critics.
He also appeared in some films, including the Lifetime television film Miracle Run (2004), for which he earned a Young Artist Award nomination for his performance as one of two autistic twins.
Efron's career reached a turning point with the teen musical television film High School Musical (2006), which premiered on the Disney Channel in January 2006.
He also attended Pacific Conservatory of the Performing Arts, a community college located in Santa Maria, California, where he performed during the years of 20.