Lollipop lady's tricks of the trade
6 August 2013 Last updated at 09:38 BST
It's sixty years since lollipop men and women first started working on streets outside our schools.
They're now called School Crossing Patrollers, but still help the four million children who walk or cycle to lessons.
Bryony MacKenzie has been meeting one of the oldest, and one of the youngest.