Massive failure in Nigeria Law school Examination

The Nigerian Law School results was released in the early hours of today August 6th and  lot of students failed. In fact, they estimate that about 60% of the students failed the exam, about another 25% with General Pass and only 15%

making First Class, Second Class Upper and Second Class Lower.

This is the second time the Law School will be turning out a large number students with woeful results. Many of the students are devastated. But what is going on, why is this happening?