All new-student registration must be completed on-line.
Note: If your student is a rising 6th grader from one of our feeder schools, you do not need to register.
If your student is new and has never attended a Cobb County school or was a previous student and is returning to the Cobb County School District, please use our secure online registration system at olr.cobbk12.org to register your student and upload all required documentation.
During the registration process, you will need to upload the following required documentation:
- Two proofs of residence (one from each category below - proof must show physical address):
- Home Ownership (mortgage statement, lease agreement, or property tax bill)
- Utility (water, gas, or electric bill)
- Proof of Birth (birth certificate, passport, or adoption record)
- Social Security Card
- Georgia Certificate of Immunization Form 3231 (available from a Georgia physician or Cobb County Health Department)
- Georgia Certificate of Vision, Hearing, Dental and Nutrional Screening Form 3300 (available from a Georgia physician or Cobb County Health Department)
For additional information, please visit https://www.cobbk12.org/page/291/student-enrollment. To download the online registration guide or to watch the enrollment registration help video, please visit https://www.cobbk12.org/page/110627/online-registration-help.
To view or print registration directions, click on the Resources below.
- Registration Directions - English
- Registration Directions - Spanish
- Registration Directions - Portuguese
If you are unable to access an internet enabled device or need additional assistance, please contact our office via email at Mabry@cobbk12.org.
Once the school has completed your student's registration, you will receive an email. This confirmation email will be sent after July 24, 2025.
Additionally, once registration is complete, refer to the "Welcome to Mabry" PDF below for additional information and links to helpful Mabry resources.
