School organizational models are methods of structuring the curriculum, functions, and facilities for schools, colleges, and universities. The organizing of teachingbigg and learning has been structured since the first educational institutions were established. With greater specialization and expertise in a particular field of knowledge, and a gathering of like-minded individuals, instructors clustered into specialized groups, schools, and eventually departments within larger institutions. This structure spread rapidly during the 19th and 20th centuries with factory model schools and their "assembly-line" method of standardized curriculum and instructional methods. Beginning with the progressive educational movement in the early-mid 20th century, and again with similar trends in the late 2