With only 252 words in this essay, it meets the word minimum requirement but not the full scoring considerations for various sections. There needs to be at least 275-300 words put down to achieve that. The only plus point of this word count is that it will not meet deductions for under word writing.
Since the writer is being asked to discuss the measure of his personal opinion, the essay should not be devoid of first person pronoun usage. Rather, it should be heavily present. The essay will not write itself so never say
The essay will discuss
. You are the writer. Own it.
Now, for the actual reason this essay will receive a failing mark. The prompt deviation that the writer created. Did he misunderstand the writing instruction
To what extent do you agree or disagree? Give your own opinion.
? Which is why he incorrectly responded with
The essay will discuss the advantages of traditional teaching...
The incorrect response statement will result in an irrelevant response score (failing).
I cannot proceed with reviewing the essay at this point. There is no sense in reviewing a failing essay from the start.