The book "Report of the Committee of Fifteen, Presented at a Meeting of the Department of Supervision, Held in Cleveland, February 19-21, 1884, with Discussion" is an important document reflecting the findings and discussions of the famous Committee of Fifteen. The authors of this work are outstanding educators Draper A.S. (Andrew Sloan), Harris William Torrey and Tarbell H.S. (Horace Sumner), who made significant contributions to the field of education and teaching methods. In their report, the authors follow a scientific-research approach to the analysis of current issues of education and development of the school system. They carefully analyzed the state of affairs in the field of education and proposed concrete measures to improve learning and upbringing in schools. The profound insights and well-argued arguments presented in this book make it a valuable resource for educators, researchers, and anyone interested in contemporary educational practice. "The Report of the Committee of Fifteen" is an important part of the history of American education, which helps to better understand its development and challenges that arose at the beginning of the 19th century.