Summarize education reform in 10 words using all of the four words:

Free, equal, Horace Mann, society

Horace Mann brought free education, giving equal opportunities in the society.

Explanation:

Horace Mann, popularly known as "the father of American public education" began the reform movement. The movement started in Massachusetts with the common school movement.

The common school system was opened for all white students creating opportunities for everyone to have access to school. It was funded by taxes thereby students attend the school free of charge.

Mann promoted and maintained the course of the common school.