Microsoft UK Education are running an event on the 21st May at Thames Valley Park on SharePoint.
Its a vendor day with 23 different companies that offer SharePoint for schools both with installs and hosted solutions.
Click here to see the list of vendors
http://blogs.msdn.com/ukschools/archive/2008/04/21/sharepoint-education-showcase-21st-may.aspx
Click here to attend the event
http://msevents.microsoft.com/CUI/EventDetail.aspx?EventID=1032372109&Culture=en-GB