The school district said she was a parent. 29 overpass about 11:40 a.m. when a black Ford F-150 pickup veered off the north-south road and hit the group, police said.
Two other girls were taken to hospital with critical injuries, however doctors could not save one of the girls, who died several hours later.
A pickup truck lurched off a road in western Wisconsin Saturday and hit a group of Girl Scouts picking up trash in a ditch, leaving three girls and one adult dead, police said.
Acevedo says Girl Scouts everywhere stand with "our sister Girl Scouts in Wisconsin to grieve and comfort one another in the wake of this awful tragedy".
A 21-year-old Chippewa Falls man will be facing 4 counts of Homicide Through Negligent Use of a Vehicle following the fatal hit-and-run that occurred in Lake Hallie, WI on November 3, 2018, according Sgt. Sokup of the Lake Hallie Police Department when speaking with the Associated Press.
Monday morning, counselors, psychologists, therapy dogs and faith leaders will again be at the two elementary schools where the victims were students.
The driver, identified as Colton Treu, 21, of Chippewa Falls, fled the scene but later turned himself in, police said.
According to Wisconsin's WEAU, the Girl Scouts who were killed on Saturday were students at Halmstad Elementary School and Southview Elementary in Chippewa Falls, Wisconsin. Approximately 15 people were out picking up trash in total when the incident occured.
The names of the deceased have not been released at the time of this post. A phone number for Treu could not immediately be found, and it was unclear if he has an attorney.
"The area is not an unsafe area", he said.
But Cecily Spallees, a personal care attendant at a group home near the crash site, told the newspaper that drivers regularly speed on that stretch of road, which quickly changes from a 55-mph to a 35-mph zone.
Troop 3055's regional council, the Girl Scouts of the Northwestern Great Lakes, expressed its condolences on Facebook and said a vigil will be held Sunday evening at the girls' school.