Critcal Thinking involves the process of analogizing. Use the methods known to solve one problem and apply them to another problem that has never been encountered, yet is similar in structure.
American kids tend to go home after school and spend too much time playing games and watching TV, thus being ignored by their parents. If parents want smarter kids, then they should spend time with their kids helping with HW. Lastly, and this is the biggest problem, American parents think it is up to the school system to educate their kids! If the child comes home with poor grades, the parents blame the school, not themselves.