“Twice exceptional” (or 2E) is a label for children who are advanced in one or more areas, but who also have a learning difference (such as ADHD, dyslexia, or dysgraphia).
Twice exceptional students need to be challenged intellectually, but also require careful remediation and assistance in the areas where they struggle.
Learn more with these resources
http://www.uniquelygifted.org/, a site maintained by professional educator (and 2E mother) Meredith G. Warshaw, provides dozens of valuable links to studies, articles, and stories, along with very helpful information about constructing an IEP (individualized education plan).
Beverly Trail, Twice-Exceptional Gifted Children: Understanding, Teaching, and Counseling Gifted Students (Prufrock Press, 2010)
Kiesa Kay, ed., Uniquely Gifted: Identifying and Meeting the Needs of the Twice-Exceptional Student (Avocus, 200)
Deirdre V. Lovecky, Different Minds: Gifted Children With AD/HD, Asperger Syndrome, and Other Learning Deficits (Jessica Kingsley Publications, 2003)
Learn more from experienced parents.
Discuss 2E challenges and strategies with other parents in the Well-Trained Mind Community. These legacy threads can get you started, and if you become a forum member, you can post your own questions.
https://forums.welltrainedmind.com/topic/529692-what-questions-to-ask-re-hs-and-2e/
https://forums.welltrainedmind.com/topic/605470-2e-addadhd-resources/