So much for my 'greatest teacher you'll ever have' speech.

Looking back over Charlie's data in the previous year, I notice she'd entered my classroom at level 5, a level higher than her peers.

By October I'd reduced her grade to level 4. Somehow, attendance at my lessons had reduced her scores from 'higher than average' to a flat coasting level of 'just about literate'.

Her January test showed further disintegration: level 3. This is what the government deems sub literate for an eleven year old.

April and another assessment. Charlie now scores level 2 - unable to write a recognisable sentence.

I'm actively destroying intelligence quotient here. By the minute.