The girls on this page are those escorts who can do and have on their enjoys list role-play. Not only that, they will have the uniforms necessary to do those role-plays.
Most escorts will have a secretary outfit and similarly quite a few will have a sexy schoolgirl outfit as these are the most popular role-plays requested. However there are many others too.
See the individual escorts profile page to see exactly what uniforms she has, but to give you an idea it could be Secretary, Schoolgirl, Air Hostess, Play Boy Girl, sexy Nurse, French Maid or sexy school teacher.