Three high school students remain in Auckland's Starship Hospital after being mowed down by a car at a bus stop yesterday.

WATCH MORE: 5 hurt, 1 critical after car hits kids

One Westlake Girls High School student is fighting for her life.

A spokeswoman for the Auckland DHB said the other two are in a stable condition.

She said a fourth student may have been discharged.

A fifth student was treated at the scene, where a blue Skyline car mounted the footpath on Wairau Road and hitting the students.

Police spoke with the driver yesterday, who walked away uninjured.

A police investigation is on-going.