OETC (Organization for Educational Technology & Curriculum) is a non-profit group that is "dedicated to maximizing the value of educational technology to its members by working with software and hardware vendors to procure the most effective and appropriate technological resources at the lowest possible price."
A quick google search done during March, 2008 for Adobe's CS Standard found the following prices
Further information is posted on their website: http://www.oetc.org/about.html#3
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