Created College Classroom Environment Scales (CCES), instrument with six subscales (Cathectic Learning Climate, Professorial Concern, Inimical Ambiance, Academic Rigor, Affiliation, and Structure) to assess social climate of college classrooms. Findings from four studies estimating CCES' reliability and validity suggest it is sufficiently reliable and valid self-report of students' perceptions of classroom social environment for use with groups. (Author/NB)