This newsletter reports on a project concerning the linguistic development of immigrant children in Sweden in upper secondary school. The project is part of an extensive program on immigrant children's schooling and attainment of bilingualism conducted by the SPRINS Group at the University of Goteborg (SPRINS in Swedish represents "linguistic development of immigrant children in Sweden"). The aim of the project is to gather information on the content and quality of teaching the native language and Swedish as a second language. A student survey begun in 1980 laid the foundations of comprehensive documentation concerning the educational progress of individual immigrant pupils from the senior level of compulsory school to higher education or the employment sector. Individualized pupil followup is being planned. Analyses of reports and experience have shown that students need to be taught Swedish based on their linguistic and cultural backgrounds and on their individual language learning situations. For most students, this is best accomplished through deliberate teaching of a separate subject. The theory of Swedish as a second language is part of teacher education, but the methodological aspect of the subject has hardly begun to be addressed. The SPRINS Group projects include seminars for experienced teachers of Swedish as a second language and nationwide conferences with researchers and practitioners. Research projects, both present and planned, focus on elective options for pupils, immigrants' vocabularies, the environment of the upper secondary school, and bilingual instruction of Finnish students at the senior level. (CG)