A significant number of students in Catalonia received low marks in Mathematics on their selectividad exams. The exams are a key part of the Spanish education system. Further information about the results is available from El País.

It is known that the Mathematics portion of the exam presented challenges to many students. Details about the specific issues with the exam can be found in the full article on the El País website, which provides more context about the selectividad exams and their importance in Catalonia.