Woman jailed for Waterfall crash that killed teacher

Brook Elise Wardhaugh pled guilty to dangerous driving occasioning death and dangerous driving causing grievous bodily harm following the crash at Waterfall in June last year.

Ms Cochrane, 57, a year 5/6 teacher at Yarrawarrah Public School, was critically injured when the Ford Laser she was a passenger in was hit from behind on the Princes Highway by a car driven by Ms Wardhaugh, 23.

The Laser left the roadway and hit a tree, trapping her and her husband John Bussing, then 60, inside.

Ms Cochrane later died in hospital while Mr Bussing still has to use crutches.

Ms Wardhaugh was arrested after she returned a positive roadside breath-test.

During a sentencing hearing on Thursday Ms Wardhaugh was sentenced to a maximum of five years in jail and a non-parole period of two and a half years.