The present investigation is directed at profiling of the cognitive styles of high school Biological Science teachers. It is based on data collected from 70 high school Biological Science teachers working in Kuppam and Gudupalli mandals of Chittoor district. Simple random sampling technique has been used to collect the sample. The Cognitive Style Inventory (CSI) has been used as tool to collect the data. Results indicate that the high school Biological Science teachers possess three types of cognitive styles, namely, split cognitive style, undifferentiated cognitive style and integrated cognitive style. It has also been found that there exists difference in cognitive styles of teachers based on variation in their gender and types of management of their schools.