Mark Wahlberg, who dropped out in the ninth grade, plans to finish high school to receive his diploma.
"They have this new program in Massachusetts where you can actually take the courses online. So I'm starting this month in New Orleans," the 41-year-old told David Letterman.
"It's an actual diploma. I gotta take all the courses that I missed and I'm a little nervous."
"They are going to give me whatever credits I have, which is probably like one or two," he quipped. "I'm gonna make it happen."
The 'Ted' star plans to use "a lot of downtime on sets in the trailer and stuff" and "just blast through it... hopefully do it within six to eight months."
The program allows students to complete classes at their own pace, as long as they check in at least once a week.