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<http://www.huffingtonpost.co.uk/2012/02/22/schools-spend-1-per-pupil-on-re-each-year_n_1292860.html>
<http://www.huffingtonpost.co.uk/2012/02/22/schools-spend-1-per-pupil-on-re-each-year_n_1292860.html?ref=uk-students>