Critical constructivist pedagogy considers social justice and the freedom of students to learn as the most important aspects of the teacher’s work in the classroom. Educational Psychology: An Application of Critical Constructivism is a clarion call for pre-service teachers to identify their students’ needs and apply critical constructivist pedagogy to facilitate their learning. Collectively, these essays emphasize the need for pre-service teachers to consider their role as fundamental to the development of their students’ leadership, and awareness of social justice and equality in education as critical for a healthier and saner world.