The essay aims to highlight the newly arrived immigrant students’ experience of social integration and social security in the Swedish school system, which is important for their further language and learning development. This essay aims to see it from the student's perspective. The main question in this essay is: What factors seem to matter the most for the newly arrived immigrant students in their language and learning skills, and what does the students themselves think about the issue? The study is based on a qualitative research method in the form of interviews and observations conducted in a multicultural school for a period of two weeks. Three newly-arrived students are in this essay being observed while they are attending between two different classrooms: the so-called preparation classroom and the ordinary classroom. This essay aims to highlight a newly arrived student's development from a socio-cultural perspective. The results show that the newly arrived students felt more emotionally secure while attending the preparation classrooms, and while attending the ordinary classrooms they felt more inadequate.