For two hours, dozens of high school seniors protested on Sunday in front of the Education Ministry against the exam of mathematics. They pretends that the exam was two difficult for them and out of their school program.

They urged to ministry to reflect and change the points and evaluation for this exam.

"The excellent students couldn't do this exam. Time available was not enough and the translation of the questions were so bad that we do not understand at all what it was required. We want to have all the points needed to continue our studies in state universities," said one of the students. 

They warned further protests on Monday.