Well, I am a greek teacher
My piano professor who was also one of my music ed professors is a DZ from Alabama. She is quite old. I think she is about 80! It was fun to have a professor (and an OLD one at that) call me her sister in class! I think she is just great!
Going to school in TX, I am sure that more of my teachers are greek, but I was unaware/young/uninterested at the time. One of the teachers at the school where I student taught year before last is a ZTA and one of the Early Childhood profs in the school of Education at UH is a young DZ (like early '30's. I hear she uses pink and green transparencies...EVERYONE knows she is a DZ.