Degrees and Certifications:
Lumsden has a Bachelor of Arts in Mathematics and a Master of Education Administration from Texas Woman's University.
Mrs. Lumsden will be starting her second year as Principal of Hilltop Elementary. Mrs. Lumsden joined Argyle ISD in 2018 and served as an Argyle Middle School Assistant Principal for two years. She has more than 16 years of experience in public education and six as a school administrator.
Before joining Argyle ISD, she served in Lake Dallas ISD from 2004-2018 and was promoted to Lake Dallas High School Assistant Principal in 2015 and held this position for three years. During her career, Mrs. Lumsden has served as a math teacher and math department head at the middle and high school levels, academic advisor and lead counseling & advising department at LDHS. She was named the Lake Dallas ISD Secondary Teacher of the Year in 2009-2010.