It's okay for math-- among autodidacts, that is, and understanding that this can be a developmental problem even for highly gifted youth. It's nearly insurmountable in anyone with executive function deficits.
In that population, the organizational and time-management skills needed and assumed are simply not available to be tapped without real-life supports. I really question whether or not online/virtual instruction in a conventional educational program can work for those students. In K-12, and with the support of parents who are supervising day to day, yes. But for post-secondary? No way would I encourage my ADHD college student to try this. No way.
Online tools can be used at a residential campus to track students' progress and suggest that a human intervene, as described in an NYT article:
http://www.nytimes.com/2012/07/22/e...to-the-opportunities-of-data-mining.htmlBig Data on Campus
By MARC PARRY
Published: July 18, 2012