Probably none until you complete your training.
Learn to spell first?
When he was alive there was no school so he didn't graduate from school.
This depends on where you go to high school. At my high school, you only need to talk a health and physical education class.
No, medical school is the graduate school for medicine.
You just have to graduate high school - they will hire anyone who can pass a physical test.
High school credits build up and when you have a certain amount, you can graduate. You can't graduate if you don't have the sufficient credits in certain areas of knowledge (ie. Math, Physical Education, Language, English, etc.).
every zoologist has to graduate school first
Sage Graduate School was created in 1949.
Adler Graduate School was created in 1967.
Oxford Graduate School was created in 1980.
Alliance Graduate School was created in 1977.
European Graduate School was created in 1994.