Not to the degree people with ADHD seem to have this problem. A recent study looked at whether people with ADHD were more likely to repeat a grade. Here's what they found:
>28% of individuals with ADHD repeated a grade compared with 7% of controls (p< .001).
https://www.ncbi.nlm.nih.gov/m/pubmed/23382575/
You can find many such studies about ADHD that find that people with ADHD just do worse in situations that require sustained attention and persistence.
This is not something that most people have problems with?