This research study was conducted to see and understand the importance and positive effects of multi-age grouping classrooms on children’s social and emotional development. Themulti-age grouping study emphasize that a child can learn and become more confident in a group of fellows of different ages in a better way than of in the same age group.The Research works on different social and emotional aspects in a child’s life through discussing views of educationalists and psychologists. Some of them have been noted in literature review, then there is an analysis and conclusion too. There is an interview conducted with a head of a pre-school which follows system of mixed-age classroom and a questionnaire has been made to get reviews of the teachers.The findings concluded that the children getting education in multi-age grouping are far more active socially and emotionally than the children in regular same age group classrooms, however it is also needed to give awareness regarding the system of education as it is not very common in our society.