If a country has a high HIV prevalence, it is correlated with a higher percentage of girls having comprehensive knowledge about HIV/AIDS. For boys, however, their knowledge has a weaker correlation with national prevalence
In Africa, countries that have a relatively sound higher education system are necessarily the rich ones. And those whose economies are doing well do not always have the best universities.
Repetition rarely leads to better performance. Pupils become discouraged at having to do the classwork again, feel awkward at being the oldest in their new class and being left behind by their peers
You might imagine that a university or college education would give you a broader, more cosmopolitan worldview; that the more educated you are, the less parochial you would become. The data suggests otherwise.
The inequity in resource allocation is clearer when you consider that it is just a tiny minority of people who make it to higher levels of education in the first place.