Last item for navigation

Mrs. Morton

 Mrs. Zontriná Morton
10-12 Grade Discipline N-Z
Partners in Education
Positive Behavior Interventions and Supports (PBIS)

Mrs. Morton is honored to serve the stakeholders of the Heritage High School community and provide ongoing support for the students, faculty, and staff. She received a Bachelor of Science degree in Computer Engineering Technology from DeVry University and a Master of Arts degree in Curriculum and Instruction from LaGrange College.

Mrs. Morton began her educational journey in DeKalb County, Georgia. She has had the opportunity to teach at every level of the high school mathematics curriculum, including Advanced Placement (AP) courses. During this time, she has served as a Teacher Leader, Teacher Support Specialist, Mathematics Department Chair, and most recently as an Administrator Assistant, which afforded her the opportunity to work with teachers in the classroom on instructional best practices and multi-tiered systems of support for student achievement.

Mrs. Morton is married to her wonderful husband; Charles Morton and they share two loving daughters: Caitlyn and Courtlyn. She enjoys spending time with her family, traveling, finding new places to eat, crafting, and shopping.

Mrs. Morton is excited to work with the faculty, students, and all stakeholders in the Heritage High School community as we continue to S.E.T. the Stage in Rockdale County.

Mrs. Overstreet

Mrs. Katrina Overstreet
9th Grade Discipline
9th Grade Academy

Mrs. Overstreet is a native of Pompano Beach, Florida. She attended Florida State University where she earned a Bachelor’s Degree in Secondary Mathematics Education.  After graduation, Mrs. Overstreet moved to the Atlanta area and began her teaching career in the Fulton County School district (North Springs High School & Westlake High School). She joined the Rockdale County School district in 2010 as a math teacher at Salem High School.  Mrs. Overstreet, entering her 22nd year in education, has served as a high school math teacher, Mathematics Department Chair, Secondary Academic Mathematics Coach, and now Assistant Principal. She earned her Master of Education degree in Secondary Mathematics Education and her Specialist’s degree in Educational Leadership from Mercer University.

Mrs. Overstreet is excited to begin her 9th year at Heritage. Her administrative duties include serving as the 9th Grade Academy administrator, 9th Grade Discipline, and supervising the Mathematics Department.  Mrs. Overstreet is married to Jimmy, a fellow educator. They have two children, Madison and Landon. She enjoys reading, traveling, and volunteering.

Dr. Waller

Dr. Teisha Waller
Professional Learning

I am honored to have the opportunity to join the Heritage High School family!  As I come upon my 19th year in education, I am thrilled to join such a diverse community of learners.  

I am a native of Covington, Georgia.  I received a Bachelor’s of Arts in English and a Master’s of Teaching in Secondary Education from the University of West Georgia.  I completed my Educational Doctorate in Educational Leadership at Walden University.

My teaching career began at Northgate High School in Newnan, Georgia in 2000 as an English teacher.  I then had the opportunity to serve as an English teacher, department chair and inaugural member of Dutchtown High School in Hampton, Georgia.  In 2008, I began my journey into administration as the Instructional Assistant Principal of Spalding High School in Griffin, Georgia.  From 2013 until 2019, I served as Instructional Assistant Principal at Union Grove High School in McDonough, Georgia.

I have a wonderful and loving family: husband, Juan, and two children, Avery and Ryan.  

As I embark on the new school year, I look forward to working with the faculty, students, community, and families of Heritage High School.  I look forward to working with all our stakeholders as we S.E.T. the Stage for Excellence each day!

Dr. Washington

Dr. Marcus Washington
10-12 Grade Discipline A-M

Advanced Placement Exam Coordinator
School Safety

Dr. Marcus Washington is a native of South Carolina. He earned his Bachelor of Arts in History at Emory University, Master of Teaching in Secondary Education and Educational Specialist Degrees in Educational Leadership at Mercer University, and an Educational Doctorate in Educational Leadership at Liberty University.   

Dr. Washington taught social studies in the Dekalb County School District and in 2019 joined Heritage High School as an Assistant Principal. He supports students in grades 10-12, supervises the Social Studies & CTAE Departments, and coordinates Advanced Placement (AP).

Dr. Washington is married to Aprille, a fellow educator. They have twin daughters and a dog. He enjoys playing tennis, reading thriller novels, and traveling to learn about cultural traditions and cuisines.