Scott Disick & Kourtney Kardashian’s Son Mason Graduates Middle School

Can you keep up? Mason Disick is going to high school. 

That’s right, Scott Disick and Kourtney Kardashian‘s 14-year-old son is celebrating a major milestone, with help from his family.

“Congratulations 2 my best friend in the world,” the 41-year-old—who also shares daughter Penelope, 11, and son Reign, 9, with Kourtney— wrote in a June 6 Instagram post, “for graduatiuating [sic] middle school and now on to high school! Let’s go mart!!”

In the photo, Scott poses with Mason—whose back is to the camera—at Nobu restaurant in Southern California, along with one of his son’s friends. The father of three donned sunglasses and a black jacket, along with cargo pants and a gray T-shirt. As for his eldest, the new Instagram member wore a pair of jnco-styled black jeans along with a red graphic T-shirt. 

As for mom Kourtney—who also shares Rocky, 7 months, with husband Travis Barker, as well as his own children Atiana, 25, Landon, 20, and Alabama, 18—she also kicked off the summer season in a super sweet way.