This experiment shows how stupid many school dress codes (and especially the ones for collarbones) are

Mic.com had enough of people saying that the women clothes can influence boy results in school. There have been some dress codes banning tops showing collarbones. They decided to pu it to test. They took two teenagers and give them two tests. During the first, the woman in the room has a blazer. During the second, she shows her collarbones.