Mrs. Heanue began her career in education in 1985 and has been an assistant principal since 1999. She holds an Associate Degree in Child Development from Ferrum College, a Bachelor of Science degree in Speech Pathology and Audiology from the University of Virginia, a Master of Arts degree in Education of the Hearing Impaired from Gallaudet University, and an endorsement in Administration and Supervision from the University of Virginia.

Prior to teaching in Loudoun County, Mrs. Heanue taught preschool at the Pennsylvania School for the Deaf in Philadelphia, middle school social studies at the Maryland School for the Deaf in Frederick, Maryland, and a variety of subjects in the special education department at Broad Run High School in Ashburn, Virginia, where she was also the special education department chair and an assistant principal.

Mrs. Heanue is a native of Loudoun County and a graduate of Loudoun County High School.