Eugenia Chapman earned a Bachelor of Education, graduating valedictorian, and began her career as a teacher in Illinois. She held leadership roles in education, including serving on the Township High School District 214 Board of Education. Chapman spent nearly two decades in the Illinois House of Representatives, where she sponsored significant education legislation and became the first woman to hold a leadership position. She also contributed to women's rights and senior advocacy, holding various influential roles in these areas.

Eugenia Chapman's political identity is marked by a blend of progressive advocacy and pragmatic governance, particularly in education and women's rights. She championed the Illinois Public Junior College Act, which established a robust community college system, showcasing a commitment to accessible education. Chapman's role in the Equal Rights Amendment and her pioneering position as Democratic Whip highlight her dedication to gender equality. Despite these progressive credentials, her work in senior advocacy suggests a nuanced approach that balances ideological goals with practical outcomes.