Missing Daughter Please Help

As all of you know I have 6 daughters. One of them has run away on 7/7/08 at 8am..She was last seen in front of Feinstein High School were she was attending summer school.

Name: Colleen Glen
DOB 8/7/92 15yrs old
Weight 105lbs
Height 5'2"
Long Blonde Hair
Most likely wearing shorts and a tank top
She has a small heart tattoo on her chest that can be seen with her shirt on. It is a homemade one out of blue ink.
She will probably be with 1 male around 17-21yrs old or a group of kids
Possibly on Block Island
If you see her please call me at 401.527.6354 or Linda at 401.368.5352