i had two like this.
We had to threaten one with accompanying him to school every day to get him to go to health class, which if he flunked he would not have graduated high school.

fast forward, they're adults now: the one is still a procrastinator.
The second son, who always put everything off until the last second, and got crappy grades until he was a junior in HS took charge of his life when he turned
about 16 and never looked back. Now he's a math major in college with a 3.95 GPA average.
he has to want to. good luck.