Just in case you miss the first ad, there are two more, exactly the same, to treble the fail.
And the spelling error is not on its own.
'Would you like to work in an Birmingham based Secondary school that is on the up and is looking to constantly improve its performance?'
Incorrect use of the indefinite article 'an' which should be used only before words which begin with a vowel sound.
Not to mention the split infinitive.
Oh. I just did.
Constantly? Are you sure?