Angelina Jolie Is a Proud Mama as Son Maddox Will Study Biochemistry

People.com: Maddox Jolie-Pitt is starting classes in Yonsei University in South Korea this month Angelina Jolie‘s first son is officially college bound.

Maddox Jolie-Pitt, who turns 18 Monday, is set to start classes at South Korea’s Yonsei University where he will be studying bio chemistry, a source exclusively tells PEOPLE.

“He got accepted to other universities but choose Yonsei,” the source says. “He has been studying Korean language. He has lessons multiple times a week to prepare.”

And the oldest in the Jolie-Pitt clan is starting classes this month, with Jolie, 44, making the trip to help him get started.

“Mom is dropping him off in August,” the source says of Jolie. “She is very proud. She will miss seeing him as much, but he’s ready.”