For the purposes of this Chapter, the grounds for intervention in the exercise by a local authority of its education functions are as follows—
GROUND 1 - The local authority has failed, or is likely to fail, to comply with a duty that is an education function.
GROUND 2 - The local authority has acted, or is proposing to act, unreasonably in the exercise of an education function.
GROUND 3 - The local authority is failing, or is likely to fail, to perform an education function to an adequate standard.