What exactly is a high school freshman auto collision restore and restoration class?

-I have to take an auto coll. R & R class next semester and I want to know exactly what to expect. Do I have to know anything before hand? How much do I have to know before? Please help.Don't need to know anything! And as for WHAT it is. By the name, it's restoring cars that have been in accidents.
Most schools dont have that class. Cant help, sorry man