Question

Who are the ones who have dropped-out?

Answer 1

Drop-out peoples are the peoples who have quitted their school, college etc. for a particular reason to achieve something.
on MTV you can watch drop-out (Series) it will increase your knowledge a lot

Answer 2

These are people who have stopped doing some things that they were doing. For example one can be Dropouts in their schools such colleges or any other aspect in life. Young people are dropping out of schools to involve themselves in drugs,or any other bad groups that can be an influence to the being bad people in future. Though many of them may not be their wish to drop out of it is because if lack if school fees.