My sister goes to all of her reunions, and has a blast. Of course, she's the type of person who has kept in touch with her good friends over the years, and it's a chance for all of them to be in one place at the same time.
I'm almost the opposite. I've had no contact with anyone I knew then, and wouldn't really be interested in pursuing an opportunity to do so. I can barely remember their names, except for a couple of people, and they aren't (or weren't) the type to go to reunions.
You might consider this a chance to take stock of your life and your dreams, Honey. I am no way saying that you are not successful, right now, this minute. You're alive, you love and are loved, and you aren't worried about the petty bull that most folks still think is important. Plus, when the equipment is working, you're a DJ on an internet show. How many of those high school alumni can say that?
I'm a firm believer in long term plans and I don't think it's ever too late to begin a new adventure. Even with munchkins who take up a lot of your time, energy, and focus, there are things you can do to pursue your ambitions.
That last class you need for the degree? See if there is an alternative at an adult college where the class charges are a lot less than a regular school, and the hours are scheduled for folks who aren't full time students.
Want to have that novel you wrote published? Start with writing down the stories you tell your kids, or offer to read them at the local library.
If you do decide to go to the reunion, remember that almost everybody is less than totally satisfied with where they are in their lives, no matter how boastful they can be. Be proud of who you are, what you've done, and always remember - when you wear sparkly toenail polish, you've got a little mysterious excitement in every step you take.