Any suggestions as to what goodies to send to her from the local neighborhood around school?
If she’s anything like my daughter, she’ll be celebrating her birthday by legally having a drink in a bar. So, you might want to treat her and a few of her friends to a special night out on the town. My daughter was very found of this place, just down the road a bit from Harvard Square: http://www.dalirestaurant.com/information.html
Brunch on Sunday at the Charles Hotel is incredible, also incredibly expensive but something everyone should do at least once.
I would expect you are only limited by your imagination and creativity. There are so many nice restaurants and taverns in Cambridge. A trip to the North end in Boston is a lot of fun and there are many great places there. A box of goodies from Mikes Pastries would be nice as well.
Happy Birthday to your Daughter!