One of the key contributions of critical theorists concerns the production of knowledge. Given that the transmission of knowledge is an integral activity in schools, critical scholars in the field of education have been especially concerned with how knowledge is produced. These scholars argue that a key element of social injustice involves the claim that particular knowledge is objective, neutral, and universal. An approach based on critical theory calls into question the idea that objectivity is desirable or even possible. The term used to describe this way of thinking about knowledge is that knowledge is socially constructed. When we refer to knowledge as socially constructed we mean that knowledge is reflective of the values and interests of those who produce it. This concept captures the understanding that all knowledge and all means of knowing are connected to a social context.
In understanding knowledge as socially constructed, critical educators guide students along at least three fronts: