Formal letter to the Head of the International Bacalaureate

To whom it concerns,
I am the Head of the Humanities Department writing in regards to the results for this year's finals, in particular for history. The results were highly irregular and suggest to me considerable inconsistency in the marking.
To begin with, it seems unbelievable to me that my best student could only manage a 6 in SL (despite a near-flawless internal assessment and having produced the most proficient essays) and yet another student managed a 5, despite an inability to write a coherent paragraph in English for me the entire year (he only managed a 2 in English and I gave h…