Fernando M. Reimers et a1. adults and did not involve formal education in schools; but at the beginning of the twentieth century, the peace movement included support for school— based peace education. In 1912 a school peace league had chapters in nearly every state in the United States that were “promoting through the schools...the interests ofinternational justice and fraternity” (Scanlon, 1959, p. 214). They had ambitious plans to acquaint over five hundred thousand teachers with the conditions for peace (Stomfay—Stitz, 1993). In the interbella period between the First and Second World Wars, social studies teachers start— ed teaching international relations so that their students wouldn’t want to wage war against foreigners. Convinced that schools had encouraged and enabled war by indoctrinating youth into nationalism, peace educa— tors contributed to a progressive education reform in which schools were seen as a means to promote social progress by providing students with an awareness of common humanity that helped break down the national bar— riers that lead to war (Harris, 2008). A number of progressive educators at Teachers College at Columbia University advocated for education for global understanding, emphasizing cooperation rather than competition as the goal. James Earl Russell, the third president of Teachers College, offered a course on “foreign education systems” in 1898 with the purpose of helping teacher candidates develop global awareness. Russell supported the creation of the first university—based center of comparative education at Teachers College, where faculty such as John Dewey devoted significant time to learning about education systems in other countries and to contributing ideas to the advancement of public education abroad. A leading figure at Teachers College’s Comparative Education Center was Professor Isaac Kandel. At a lecture given to the National Association of Secondary School Principals in 1925, Kandel advocated for infusing high school curricula with information that would prepare students for xxvi