18 and Still in School 21 (2009)

This is one of the Platinum Media Studio's most successful series, with addition 21 ready for you to watch. It's filled with hot and horny schoolgirls, all who are still in school because, they keep failing in order to seduce their teachers by giving them upskirts while in class, getting them so aroused, they risk losing their job just to have hardcore sex with their hot student.