Aren't we getting smarter???

In primary school,
getting >80 marks was normal;
getting >90 marks was good.

In secondary school,
getting >70 marks was normal;
getting >80 marks was good;
getting >90 marks was genius.

In JC,
getting >60 marks was normal;
getting >70 marks was good;
getting >80 marks was genius;
getting >90 marks was genius of the genius.

In University,
no one knows really... from what i see, it all depends on the lecturer... =/