Who successfully lobbied for reforms to education including increased years of mandatory attendance?

In the late 19th and early 20th centuries, reformers such as John Dewey and various progressive education advocates successfully lobbied for reforms to education, including increased years of mandatory school attendance. They emphasized the importance of education for democracy and social progress, leading to changes in laws that expanded access to education for children. Their efforts contributed to the establishment of compulsory education laws in many states.