K-12 includes schools that provide education to students, prior to college. K-12 school grades include kindergarten (K) and grades through 1st to 12th (1-12).

provides learning to students. Upon successful completion of a course of study, students receive a degree, diploma, or certificate.
Higher education also includes teacher-training schools, junior colleges, and institutes of technology.

is a formalized approach to specialized training, and provides students with educational programs that improve their knowledge, skills, attitudes, or behaviors.

provides training that focuses on skills and knowledge required for a particular job function or a specific trade.