Under Options - Embeddings, have you enabled 'Apply these restrictions to whitelisted sites too'? If so, then this is expected behavior.
Also, are these fonts coming from typekit.net, or are they coming from schoolguide.co.uk? What does the Blocked Objects submenu show?
Also, are these fonts coming from typekit.net, or are they coming from schoolguide.co.uk? What does the Blocked Objects submenu show?