Karin Williams from Rhoose, Vale of Glamorgan, was injured along with five children and three adults outside Rhws Primary School in July 2013.
On Wednesday, she was presented with a Royal Humane Society bronze medal for her actions.
The driver of the car was found guilty of careless driving in May 2014.
A lollipop lady who stepped in front of an out-of-control car to protect schoolchildren has received an award for her bravery.