Oberlin was a favored destination of free Blacks and fugitive slaves seeking an education because it boasted a college that was integrated and co-educational. When Mary Jane earned her Bachelor’s degree from Oberlin College in 1862, she became the first African-American woman to receive a degree from an established American college.

After earning her degree, Mary Jane taught for a short time in Chillicothe, Ohio, before moving to Philadelphia to work at the Institute for Colored Youth, a college preparatory school for African Americans. She taught there for five years. In 1869, the young teacher moved to Washington, DC, where she eventually became the principal of the Preparatory High School for Colored Youth. That school was later renamed M Street High School, and today is called Dunbar High School.

Mary Jane was the first African-American high school principal in Washington, DC, and she is still remembered today for her strong, forceful personality, and for increasing her school’s enrollment from fewer than 50 students to 172 students. During her tenure there, she also initiated high school commencements and a teacher-training department.

In addition to her accomplishments in the school, Mary Jane was also a part of the Colored Woman’s League of Washington, DC, an organization committed to women’s rights. The group focused on training women to become kindergarten teachers, rescue work, and classes for industrial schools and homemaking.

This remarkable educator passed away September 24, 1894, at her home in Washington, DC. She was 54 years old.