Yes, and I didn't like it.
No but my grandparents have I think.
Both mine allowed it..but that was perfectly normal at the time.
Abolished when I was teaching.
Yes, elementary school (started school in 1952). It didn't happen regularly ... just the knowledge of the consequences was usually enough.
My parents told me of elementary school stories where the principal was supposed to have a length of rubber hose in his office with which to spank delinquent kids, but they never knew anybody that actually was given the hose treatment.
Yes, like 12 years ago when I was in school.