Banking education rests on the teacher projecting absolute ignorance onto students.

Evidence

In the banking concept of education, knowledge is a gift bestowed by those who consider themselves knowledgeable upon those whom they consider to know nothing. Projecting an absolute ignorance onto others, a characteristic of the ideology of oppression, negates education and knowledge as processes of inquiry. The teacher presents himself to his students as their necessary opposite; by considering their ignorance absolute, he justifies his own existence. The students, alienated like the slave in the Hegelian dialectic, accept their ignorance as justifying the teacher’s existence—but, unlike the slave, they never discover that they educate the teacher. — Paulo Freire, Pedagogy of the Oppressed, 206