uk schooling system

If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.
Another way to prevent getting this page in the future is to use Privacy Pass. You may need to download version 2.0 now from the Chrome Web Store.

References:

http://www.goodschoolsguide.co.uk/choosing-a-school/the-british-system