I am not sure if this is actually how nurses look. This is Kate Beckinsale playing a nurse in the movie Pearl Harbor. A lot of guys find this look attractive and there are a lot of women who adopt the look to be attractive. This is one way to be attractive without using swimwear or being a cheerleader.
Lets suppose that some persons of high school do visit the site and some of them do create a photo contest for teams of people at school. Here is one example among many of being fun, *** and s*xy, while at the same time, being clothed enough that the principal or mom will not be concerned . . . So, this is a doubly valuable photo!