The document discusses the history and purpose of common schools in the United States. It outlines how important education figures like Horace Mann helped establish common schools to provide free public education to all children. These schools aimed to promote social cohesion and democratic values through standardized curriculums. The document also notes ongoing debates around public education, comparing controversies then such as arguments for and against common schools, to modern issues like school vouchers and multiculturalism. Students evaluate similarities and differences between common schools and today's public elementary schools.