OK, a couple of things, The Church can only remove he governors it has appointed, ie the Foundation Governors, it cannot remove the parent govs or staff govs as they are elected, nor may it remove the LA or Co-opted governors.
I fear that the issue here is not the writer per se, but a means to remove part of the governing body because the various dioceses are being encouraged strongly to form academies chains and this is not sitting well with parents.
There is nothing in the article about sacking the HT, because that is quite a difficult thing to achieve, possibly gross misconduct by bringing the school into disrepute... but frankly it would seem that the priest, who will doubtless be on the GB will be the person on whose doorstep that should be laid. If they tried to sack the HT, a combination of the NAHT and the NEU would, I suggest be more than able for any fire and brimstone the Diocese invokes.