Mathematics is a staple of the education system, it is taught 12 out of 13 years of learning, and there are many advanced classes that you can take if you finish the basic 12 year curriculum. In high school, there are 3 main classes taught, and they are very important topics to know if your job is a math career. Those 3 classes, Algebra 1-2, Geometry and Algebra 3-4 are the classes that this website focuses on.