(Camas, WA)  --  A Camas teenager who's been missing since Thursday is still being sought.  Authorities say 16-year-old Cole Burbank was headed to Clark College to attend Running Start classes but never showed up.  Family members and friends have organized search parties and say they've gotten leads they haven't been able to confirm.  Cole Burbank is described as white, stands five-feet-ten, weighs 140 pounds, with brown hair and brown eyes, and was last seen wearing dark jeans and a dark sweatshirt.  Anyone who's seen him is asked to call 911.