Which reforms did horace mann convince the state to maddachusetts to make?

Horace Mann, a prominent advocate for education reform in the 19th century, successfully convinced the state of Massachusetts to establish a public education system that provided free, universal, and non-sectarian schooling. He played a key role in the creation of the Massachusetts Board of Education in 1837, which aimed to improve the quality of education and promote professional training for teachers. Mann also emphasized the importance of education in promoting social equity and democracy, leading to increased funding and support for public schools across the state. His efforts laid the groundwork for the modern public education system in the United States.