There are several ways to measure ones capability: Intelligence Quotient, Social Quotient, and Emotional Quotient. All three of these metrics are important indicators for success as an adult.
Anyone scoring low in any one of these areas will likely have a difficult time in getting people to work with them.
It seems to me, however, the learning capabilities of our children are seriously underestimated by our educational institutions, limiting our progress as a species. Reforming our education methods to accommodate the learning capabilities of our children would not have to come at the cost of their socialization or emotional development, in my opinion.