Victoria Police Superintendent Michael Cruse said the investigation into the crash was continuing.
He said “speed would be considered” as part of the investigation.
“It’s unimaginable. The kids were in their classrooms and a short time later they were seriously injured so close to the school,” Cruse said.
Seven children remain in serious condition at Royal Children’s Hospital with “life-changing” injuries.
Royal Children’s Hospital chief executive Bernadette McDonald said the children had suffered multiple and traumatic injuries, including partial and complete amputations of arms, multiple crush injuries to extremities, severe lacerations to the head and body and injuries to the head. head.
The bus driver, a 52-year-old Melton West man, was taken to the hospital with non-life-threatening injuries.
The truck driver will appear via video link at Melbourne Magistrate Court today.
Eynesbury is around 44km from Melbourne, near Melton, and the accident occurred near Exford Primary School.
Exford Elementary School is a co-educational school for preparatory to six years with an enrollment of 279 students.