But even under compulsory education laws in the late 1800s, the school year was only twelve to twenty weeks long. Very few stayed in school from ages 6 to 18. For example, by 1900, only 6% of Americans had graduated from a formal high school. Moreover, these students did not learn basic skills like reading in school; they learned those at home.<ref>''id.''</ref> | But even under compulsory education laws in the late 1800s, the school year was only twelve to twenty weeks long. Very few stayed in school from ages 6 to 18. For example, by 1900, only 6% of Americans had graduated from a formal high school. Moreover, these students did not learn basic skills like reading in school; they learned those at home.<ref>''id.''</ref> |