Here is an excellent website for more on wi-fi effects;
http://wifiinschools.org.uk/6.html
We the undersigned petition the Prime Minister to introduce legislation to require all UK schools to remove Wi-Fi installations and replace them with wired alternatives
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More details from petition creator
Wi-Fi is an untested and under-regulated technology. Sir William Stewart called for government and regulators to apply the precautionary principle and to review the use of Wi-Fi in schools. The German government is advising its citizens to limit their exposure to Wi-Fi. It is time to stop putting corporate profit over the health of UK citizens – especially the youngest who are most likely to feel the adverse effects of Wi-Fi and are least able to defend themselves.