Sports · True or False?
The answer is False.
It is actually far from the highest rank. The full system is: Kyu Grades — Colored belts for students progressing toward black belt; 1st–5th Dan — Black belt, representing technical competency; 6th–8th Dan — Red-and-white belt, indicating master-level status; 9th–10th Dan — Red belt, the highest official rank, reserved for exceptional lifetime dedication.