The book "The Science of Education: A Textbook for Ontario Normal Schools" is published by the Department of Education of the Province of Ontario. This textbook is an indispensable source of knowledge for future teachers studying in normal schools. It describes in detail modern theories and methods of education, approaches to the development of the student's personality, as well as important aspects of pedagogical practice. The book helps to understand the process of education in the context of modern education and contributes to improving the qualifications of future teachers.