What are the limitations of the traditional form of organization of seedling teaching and learning

Guidance system in the late 18th century to the beginning of the 19th century, there was also the British Bell Lancaster system, also known as the "guide system". Teachers choose older, better students for the "guide", the first to teach them the material, and then by them to teach other students, this form of teaching organization is difficult to ensure the quality of teaching, so it did not last long.

Teaching organization group teaching the end of the 19th century, the beginning of the 20th century, in order to adapt to the needs of modern production and the development of modern science and technology, in order to reconcile the class conflict, some capitalist countries to extend the duration of compulsory education, expand and update some of the content of the school.

Some bourgeois educators, in order to adapt to the children's degree of learning, to adapt to the individual differences of the students, the practice of classroom system to improve or reform.