Those who pursue education as a career will undergo courses that are designed to train future educators. Fortunately, there is a wide variety of courses designed for students who wish to supplement any teaching credentials. These courses are offered at various institutions across the globe.

Mexico, officially the United Mexican States, is a federal constitutional republic in North America. Working may require a work visa, which is difficult to get if you want to freelance for a short time. Most of the government-funded universities in major cities (state capital) have short courses on history, gastronomy, and cultural subjects, and most of them are almost free.

Should an individual decide to gain additional certification that they are qualified in a field of study, they may decide to gain a postgraduate diploma. This type of diploma is attained after one has first completed a master's degree.