Education is an intentional change of human behaviors. This change is implemented through the learning process of humans. The principles in the learning process and its psychological mechanism are based on learning theories. The objective insight about how they are related with school libraries as a basic organization supporting school education, what they can contribute and what their research methodologies are is a base for educational and academic research of school libraries. This study at first is to investigate learning and teaching theories for school libraries based on behavioral learning theories, cognitive learning theories and constructive learning theories which are general trends for learning theories. Then it is to introduce new theory 'library-based education approach (LBEA)'as an educational base of school libraries.