**"His height is tall": Why That Mistake Matters for Band 8**

I keep seeing learners defend "His height is tall" because they were understood. Sure, in casual chat, fine. But on the IELTS Writing Task 1, that exact error signals a Band 6 ceiling. "Height" and "tall" are redundant, and "is" instead of a stronger verb like "reaches" weakens the register. The examiner is not going to ask you to clarify; they just drop your score. Correct this once, learn the collocation, and it stays corrected for every future essay. That is the difference between "communicating" and "scoring.