Klorkor Okai-Mills received her Bachelor of Arts degree in Political Science and History, graduating with distinction in both majors and Magna Cum Laude from Temple University, Philadelphia, Pennsylvania, USA in May 2003. She was elected into Phi Beta Kappa, the US National Honor Society for Liberal Arts, Pi Sigma Alpha, the US National Political Science Honor Society and Phi Alpha Theta, the US National History Honor Society. She worked for a year as a Benefits Analyst with the Social Security Administration, (Mid-Atlantic Region) Pennsylvania, before enrolling in Villanova University School of Law where she graduated from with a Juris Doctorate (JD) in May 2008. She was called to the New Jersey Bar in December 2008. In October 2010, after successfully completing the Post Call Course at the Ghana School of Law, she was called to the Ghana Bar with her Qualifying Certificate of Law (QCL).

Whiles in the United States, she worked with the Law Offices of Greg Proshmushkin as an associate practicing immigration law. Upon returning to Ghana in April 2010, she run the Projects Abroad Human Rights Program as Director until she left to commence her Post Call Course. After her 9-month pupillage with the firm, Bentsi Enchill, Letsa and Ankomah, she worked as an Assistant Director, Legal Services with the Directorate of Legal Services, Burma Camp. Klorkor Okai-Mills is currently an Assistant Judge Advocate General with the Ministry of Defence, Accra Ghana.
In law School, she was elected President of the Black Law Students Association. At her law school graduation, she won the Herman Schwartz Award “for your contribution to the achievement of equality of opportunity and treatment for women in the Law School, in the Legal Profession, or in society at large.”