This study includes consideration of periodicals for the promotion of public school education, those which deal with the history or scientific study of education, or the technique of schoolroom work, improvement of teachers and general school news. The principal source of information, fully indicated in the bibliography, has been the periodicals themselves, of which about 1,400 volumes have been examined, two-thirds of this number being studied in detail. Following an introduction, the following chapters are included: (1) Antecedents and beginnings; (2) The function of educational periodicals; (3) School journals specialized to meet local needs; (4) Editors and contributors; (5) Specialization of content; (6) A study of content; (7) A study of circulation; (8) Sources and character of support; and (9) Summary and present tendencies. A list of educational periodicals, a Bibliography, and a list of educational periodicals published in May, 1917 are included. (Contains 14 tables. Individual chapters contain footnotes.) [Best copy available has been provided.]