Why have many courts rejected educational malpractice lawsuits?

It is very difficult to define what educating really means which makes it near impossible to prove any malpractice. Also, it is extremely difficult to find the cause of a students failure to meet certain requirements of the education system. The most important reason is due to fear of a massive amount of litigation this would cause and it would be considered a slippery slope.

The best sociological research method would have to be using experiments although it has some disadvantages as well