Addison Elementary School

Susan Hallmark, Principal

Brad Cohen, Assistant Principal

3055 Ebenezer Road
Marietta, Georgia 30066
Phone: 770-578-2700
Fax: 770-578-2702

Addison Administrators


Susan Hallmark, Principal

Mrs. Hallmark's Blog

Susan Hallmark has lived in the West Cobb area for 31 years, and has been married to her husband Greg for 33 years. They have two daughters that attended Due West Elementary, Lost Mountain Middle and Harrison High School. Allison is  a Physician’s Assistant at Kennestone Hospital and is married to Pete.  They have a young son and live in the West Cobb area. Melissa is teaching at Mableton Elementary and is married and has recently moved to Paulding County. Mrs. Hallmark received her undergraduate degree from Auburn, and her Masters in Educational Leadership from Kennesaw State University. She received her Specialist Degree from Lincoln Memorial in 2009. She has taught everything from Pre-K to 2nd, 5th, 6th and 8th grades. Elementary was definitely her favorite! Mrs. Hallmark has been the Principal at Addison Elementary for the past 4 years. She says, "I am thrilled to be a part of the Addison Elementary community. It is a great time to be an Addison Gator!"  Contact her at susan.hallmark@cobbk12.org or (770) 578-2700.


Brad Cohen, Assistant Principal

Mr. Cohen's Blog

Brad Cohen was raised in St. Louis, Missouri. He has lived in Atlanta since 1996. He has served as a teacher and assistant administrator in Cobb County. Mr. Cohen is a graduate of Bradley University and received his Master's and Specialist Degrees from Georgia State University. He is a huge Cardinals fan, but you'll also see him rooting for the Braves! He and his wife, Nancy, have two children and 2 cats, Alex and Oscar. When he is not at school, you'll find him playing softball, watching or attending any sporting event, eating Chocolate Chip Cookies or traveling.  Contact him at brad.cohen@cobbk12.org or by phone (770) 578-2700.


 Melissa Sneed, Support and Services Administrator

Melissa Sneed has lived in Georgia for 25 years. She has been married to her husband, Gary, for 12 years. They have two sons and a dog. Mrs. Sneed received her undergraduate and master’s degree from Kennesaw State University both in Early Childhood Education. She also has a Specialist degree in Curriculum and Instruction with a Reading Endorsement. Currently, Mrs. Sneed is working on another Specialist in Educational Leadership. She really loves going to school!  Mrs. Sneed loves spending time with her family, watching college football “Go VOLS!” and playing tennis! Please feel free to contact her at melissa.sneed@cobbk12.org or by phone (770) 578-2700.