(Aloha, OR)  --  Sheriff's deputies say a fight between two 15-year-old girls in Aloha ended with one of them being stabbed.  The Washington County Sheriff's Office says the altercation happened around 8:20 last night at Aloha-Huber Park School.  Deputies say the fight was prearranged to "air out some grievances," and it ended when one of the teens was stabbed multiple times.  She's expected to survive, and the accused assailant is being held on charges of second-degree assault.