That photograph you posted shows the "Kdtr Dachau" title which was worn by members of the commandant's staff, and in this case, the commandant himself. I believe it is Heinrich Deubel.
Here is the cover page of a group of documents that will give you a little more info about the school.
Dear Sir, many thanks for your skill as a researcher. I like the part on training in being able to see and correct shortcomings of various kinds.
Thanks to all for their kind aid. I am very grateful. FB
To confirm the cuff title, here is the order. December 1934.
Dear Colleagues, we never doubted you for a second. Many thanks for the documentary evidence. This kind of thread sets a pleasing, high standard for how these sites could operate. I wonder how many of these cuff titles endure in collections? Danke vielmals.