The 50-item Bickley Assessment of Self Esteem (BASE) is an experimental instrument designed to measure the self-esteem of children enrolled in early childhood education. In addition to yielding an overall measure of a child's self-esteem, the BASE attempts to measure the child's general orientation toward academics, toward his or her teachers, and toward other persons. A study involving 206 children enrolled in kindergarten through grade 3 evaluated the ability of 14 BASE items to assess how the student feels in relationship to his or her teacher(s), or the student-teacher factor. Results of a one-way analysis of variance, with grade level as the main effect, indicate that when the 206 profiles were scored on only the items that constitute the student-teacher factor of the BASE, a significant difference was found between the four grade levels examined. A New Duncan Multiple Range Test was used to determine which grade levels were significantly different from others; kindergarten contrasted with all three other grade levels. A Kuder-Richardson Formula 21 reliability was computed to measure the internal consistency of the items. Overall, data tend to indicate that the BASE can discriminate between subjects on the student-teacher factor. (TJH)