Which reform to the american education system began in the early nineteenth century?
a. typing classes
b. women's colleges
c. magnet schools for science
d. special education classes

It was "b. women's colleges" that was a reform to the American education system began in the early nineteenth century, although it should be noted that these were relatively few in number. 

3is faulse becaues the big so that wpuld mean thtmat they are farther apart.