A vocational school can also be called all of the following except A. a certification school. In a vocational school, you study specific lessons to gain specific knowledge for a specific job - for example, how to become a chef. All of your lessons will be geared towards you becoming a chef, so you won't have to study music of history. Vocational schools are also known as technical or career schools, whereas certification schools are short-term and will only give you a certificate.
