"US" and "OTHER" among high school students

High school students' point of view to "others" and "us" . How those two terms (which are socilogical terms) affect to students. In other words high school students definition of "us" and "others" . Our aim with this project is to know whether high school students are aware of their environment or not. In summary how they look to different cultures, religions, languages and people who comes lower or upper economic and social conditions.