�There is a genuine, yet misplaced concern for the welfare of high-ability students,� said international expert on gifted education Professor Miraca Gross.

http://www.asianscientist.com/acade...r-fast-track-academic-acceleration-2011/

Interesting. Thanks for posting. Looks like the Australian counterpart to the US "A Nation Deceived"

Here's a pretty comphrehensive summary of the research:
http://gerric.arts.unsw.edu.au/GERRIC-Research/releasing-the-brakes/