What type of school did Horace Mann advocate for, which was open to all?

Horace Mann is best known for his advocacy of the common school system, which aimed to provide free, public education for all children regardless of their socio-economic background. His vision was rooted in the belief that education is a fundamental right and should be accessible to every child in a democratic society. The common school movement emphasized the importance of education as a means for social reform and upliftment, aiming to create an educated citizenry that could contribute positively to society.

Mann's efforts led to significant reforms in education, including the establishment of publicly funded schools, the professional training of teachers, and the introduction of a standardized curriculum. By promoting the idea of common schools, he sought to eliminate the disparities in educational opportunities that existed at the time, making it possible for children from different backgrounds to learn together in a shared environment.

The other types of schools mentioned, such as private schools, charter schools, and dame schools, do not embody Mann's vision of universally accessible education. Private schools are typically funded through tuition paid by families and can be selective in their admissions. Charter schools, while publicly funded, often operate with more autonomy and may not guarantee open access to all students. Dame schools were informal schools run by women in their homes that primarily offered basic education,