West Union was the first school of note and was taught at the Friends Meetinghouse from 1832. A school house was built in 1834 and classes were taught by John Lindley, David Lindley and Evan Hadley.Teachers were paid with corn, bacon, wool, or whatever was available.In 1859 West Union Friends School became Public School No. 9 and was supported by public funds until 1898 when most children attended Monrovia Schools.

Monrovia Elementary School

     Pinhook School was built in 1836 west of Monrovia and two other schools were started in local homes. Classes were also taught in the Methodist Church at one time. The first teacher in Monrovia was Mr. Butterfield who, in the winter of 1837, taught at the "Monrovia House." Pinhook School was moved at some point and was then called Boneset School. By 1854 there were eight schools in Monroe Township.

Hall Elementary School

     In 1855 the library was established with Alfred Clark as librarian. A teacher's institute was established after the Civil War and was still in existence in 1884.

     Monrovia School was a frame structure built in 1857 and was replaced with a brick building in 1881. Monrovia Normal and High School Association was organized in 1882. Monrovia High School was built in 1883 with a larger building erected in 1912.By 1922 Monrovia schools were serving the entire township.

     The modern school complex was built in 1967 and has had several additions over the years. The Monroe-Gregg School District which consolidated in 1968, consists of Monrovia Elementary School, serving grades K-3, Hall Elementary School serving grades 4-6, Monrovia Middle School and Monrovia High School grades 7-12.