Originally Posted by HowlerKarma
The best legal reference for this that I know of is a due process finding that is most frequently abbreviated as "Lillie/Felton":

http://www.dueprocessillinois.org/LillieFelton.html

This appears to be the discrepancy model under the old IDEA(?). Has this standard been applied to the 2004 version of IDEA?
I'm still learning this stuff so any guidance is appreciated.