Students who want to learn more about criminal behavior may want to study criminology. Related classes might include human rights, social justice, policy development, human behavior, prison systems, criminalistics, biocriminology, and psychology.

Due to the numerous countries within Oceania, work occasions and work permit laws differ greatly, with data on opportunities in some nations being limited. Australia and New Zealand are the most advanced countries in the area.

A diploma is a document granted by any number of institutions, from colleges to technical schools. The intention of a diploma is to show that the holder has successfully completed coursework and has specific knowledge in the relevant subject. Diplomas are often offered and can be completed online.