Thanks to Cassie for these links

http://momswithapps.com/apps-for-special-needs/

iPad app list for (Special) education

Also there is a major trial being undertaken in Victoria with iPads and you can find out more here. http://vicipadtrial.org/

Thanks to Pamela for the link to the following blog http://manorlakesvicipadtrial.globalteacher.org.au/