A group of 2nd, 3rd and 4th graders, accompanied by 2 female teachers, went on a field trip to the local race track to learn about thoroughbred horses and the sporting industry, but mostly to see the horses. When it was time to take the children to the toilet, it was decided that the girls would go with one teacher and the boys would go with the other.
The teacher assigned to the boys was waiting outside the gents when one of the boys came out and told her that none of them could reach the urinal. Having no choice, she went inside, helped the boys with their trousers, and began lifting the little boys up one by one, and held onto their "john thomases" to direct the flow away from their clothes.
As she lifted one, she couldn't help but notice that he was unusually well endowed. Trying not to show that she was staring, the teacher said, "You must be in the 4th."
"No, ma'am," he replied, "I'm in the 7th, riding Silver Arrow, but thanks for the lift."