Admission as an undergraduate student in most top municipal or private universities in Brazil requires that the applicant order a competitive entrance examination avowed as Vestibular. Contrary to what happens in the United States, candidates must declare Online Criminal Justice Degree their intended university major when they register for the Vestibular. Although it is theoretically possible to switch majors afterwards (in a case obvious within the universities as transferência interna), that is actually really rare in Brazil. Undergraduate curricula tend to be more rigid than in the United States and there is Lilliputian elbowroom to take classes outside one's major.

More commonly students prefer to take an specialization's degree, "Especialización", after their bachelor's degree rather than the more formal Master and Doctorate paths. This program is especial popular in the country, because it requires only one year to complete and because the student only acquires the technical knowledge, without the bulk of the theoretical subjects.