This chapter of "Helping Teachers Manage Classrooms" discusses the classroom teacher's role in the assessment of students' special needs, in the referral of students to placement in special programs, and in the provision of special services. Primary attention is paid to prevention of problems in the referral process and to the use of outside personnel to assure correct diagnosis of student needs. The chapter concludes with brief discussions of several major areas in which special services are frequently needed, including special education, language problems, vocational education, and child abuse. (Author/PGD)