She was previously an Assistant Professor at the William & Mary School of Law and an Adjunct Professor at the American University Washington College of Law. In fall 2013 she was a Visiting Professor at the UCLA School of Law. She is the author of over twenty articles on race, discrimination, and constitutional rights. Her scholarship has appeared in the Harvard Law Review, Yale Law Journal, Virginia Law Review, and Northwestern Law Review, among others. Prior to entering academia, Professor Leong practiced First Amendment law with Americans United for Separation of Church and State and clerked for Judge Lipez of the U.S. Court of Appeals for the First Circuit. She attended Northwestern University and Stanford Law School.