Wasn't Stockard Channing in her thirties when the movie was filmed? And Rosie and Megan couldn'tdve have been exactly high school age either.
Rosencrantz: "Be happy - if you're not even HAPPY what's so good about surviving? We'll be all right. I suppose we just go on."
- from Tom Stoppard's Rosencrantz and Guildenstern are Dead