Skating or roller skating and then back to your place to make your own pizza's and watch movies. A PJ party might be a good idea.
You can go to a resturant or movies and have a sleepover. And if u want a little bigger u can a sleepover in a hotel.
I'm homeschooling so I only have a select group of friends, (like 10) and my birthday in in early September, I want to do something special for my 16th!