I'm not familiar with education issues in other countries, but it seems like you might be talking about grade inflation and/or a lack of standardized testing. We have similar issues, in the United States: Different school districts or areas in the country decide for themselves what they think a good grade should be. Sometimes, higher grades are given to students who don't deserve them, to give the appearance that the school is doing a good job (i.e., some schools protect themselves, at the expense of students and society in general).
It's ironic. The developed world has moved well into the 'information age', yet it increasingly must deal with "fake news", "alternate facts" and other opinions like "truth isn't truth", anymore.