Gifted underachievement has become a growing phenomenon. There are gifted children who are not working to their full potential. This article provides strategies to parents to help their children who are gifted underachievers. You can read it at

http://www.suite101.com/content/the-child-who-is-the-gifted-underachiever-a282346#ixzz18bpiWB1Q

Sometimes there is more going on than just being an underachiever. My D turned out to be 2E (non-verbal learning disability). Her "achievment" level (at least in terms of grades) has gone up significantly since she was diagnosed and accomodations were put in place.