Please see <link outdated-removed> ( Search On Cite | Search On Google )
American Association of School Administrators - Publications - The School Administrator - Feedback at 360 Degrees <link updated to site home> ( Search On Cite | Search On Google )
360 degree appraisal + school teachers - Google Search=
A retired academic in UK.
4th May 2009 From United Kingdom
Just came across your query...in case you are still looking for literature for the same there is a book called..360 degree feedback and Performance Management System, Vol-2, this is a publication of TV Rao Learning Systems Pvt.Ltd. Excel Books. This book has an amazing study/article on assessing teachers and teaching effectiveness.
Unfortunately I do not have the soft copy for this!
4th June 2009 From India, Delhi