Sorry for the Danish post i hope you can translate it.
The Ministry warns that Microsoft programs can create problems for written exams for students with Mac computers.
Users who have updated the programs to the latest version may experience the programs running slowly, freezing and crashing. This means that the examinees are delayed in their work and that parts of the answers risk being lost, write the Agency for Education and Quality and the Agency for IT and Learning in a notice to schools.
I have to answer based on what I hear and not that may be the case. I believe that this depends on the education. Some require one to buy books, but there is a thriving marked for second hand books. I would not be surprised though if many also are available for free downloads, but I can’t be sure