Dropout.. Dropout who gets in the march of school children stop at a certain stage without having completed his studies

Sometimes we talk about dropout and mean dropout who gets in the march of school children stop at a certain stage without having completed his studies. But the same phenomenon is talking about it in the writings of some educators fail, which is linked to the academic school mostly stumbling parallel procedural delays. Also speaks other sources of underdevelopment and Allatkev school and many of the concepts that work in order to make the sociology of education tool for the development of texture on the internal causes of the educational institution through production inequality but we generally talk about dropout as a break students out of school college before completing grade or leave school before completing a certain stage.