That is why large home schooling families have the older kids helping to teach the younger ones.
This is an area that has always interested me as a trainer/consultant/facilitator because this certainly applies to my experiences. Thanks for the post — saved the article!
According to my Dad, who is now deceased, students tutoring students was a method used in the old one-room school houses that taught multiple grades.
Education has not improved, it has regressed exponentially. A very high percentage of HS grads, and many college grads for that matter, are dumb as rocks these days. That observation is not casual, but is garnered from working with them and trying to train them.
Had a wonderful professor who said if we catch him making a mistake, we get the next class off. This was a high tech engineering course, so many opportunities.
Of course we gott'm.
Which would also mean if you are teaching liberal propaganda you would become a more rabid liberal.