I'm always worried that my teenager isn't getting enough sleep because she's so busy she ends up going to bed really late. DD has plenty of homework, but she also does peer tutoring and other extracurriculars that keep her constantly busy. If she's not busy with school related stuff then I often see her listening to an audiobook while crocheting. She's always in the middle of two or three projects, usually making things as presents for other people. She cooks and bakes for herself (school lunches and snacks) and for the family. She tries to make time to exercise too.
Op I totally relate. My daughter was so bored throughout high school. I only have boys under her and so she didn’t have anyone to shmooze with. Most girls were busy with HW, she was not. What I did was set her up with a few diff chessed organizations that she worked three nights a week. They were relatively close to our house. Thursday night she helped me make shabbos. Sunday she got a full time job working at a store. We pushed ourselves to take her out once a week for slurpees or ice cream. It wasn’t perfect but This helped alleviate the boredom tremendously.