It is hard to assign blame in this type of situation. Sure the teacher is an adult and he should be able to handle himself better. But look at that girls ass! Obviously she is dressed to seduce her teacher. When you watch the full video on HardcoreinHD.com you can see that she is in charge when it really comes down to it.
With stuff like this actually playing out in classrooms all over the world it is a hot button topic. On both sides there are people passionate about how they feel in regards to students fucking their teachers for an easy A. In high school it is frowned upon even if the girl is of age. In college it is just how things get done for certain girls.
Regardless of which side you are on with this issue you can always find something worth watching on Hardcore in HD tube. They keep it chock full of stuff that will have you busting your nuts!