From first glance, it would appear that so long as you are in possession of a valid GFL under O.C.G.A. Â§ 16-11-129,License to carry pistol or revolver that you are able to be within the 1,000 ft limit.However if you step onto actual school property (while not picking up or dropping off a student), the building or land the building is situated on, then you are in violation even if you have a license.
"Gun Laws in Plain English" per GeorgiaPacking.Org
Weapons on school property and functions: It is (felony offense) unlawful for a person to carry ANY type of weapon onto or within 1,000 feet of real property owned or leased by any public or private elementary school, secondary school, or school board and used for elementary or secondary education and in, on, or within 1,000 feet of the campus of any public or private technical school, vocational school, college, university, or institution of post secondary education.
This code section does not apply to persons who are licensed under code 16-11-129 (Georgia Firearm License) or in accordance with code 43-38-10 (special carry licenses for security guards) when such person carries or picks up a student at a school building, school function, or school property or on a bus or other transportation furnished by the school. (I'm not sure of the total legality actually carrying into a school building while picking up or dropping off a student, but it appears to be completely legal since the code does not say anything about not being allowed to enter the building while carrying. Note that the public gathering code makes an exception for what is allowed in this school law. I wouldn't loiter around in the halls or cafeteria, but instead make a straight bee line to the office and back in order to drop off or pick up a student if you are required to do so.) This code section shall not apply to Teachers and other school personnel who are otherwise authorized to possess or carry weapons, provided that any such weapon is in a locked compartment of a motor vehicle or one which is in a locked container in or a locked firearms rack which is on a motor vehicle. This code section shall also not apply to a weapon which is in a locked compartment of a motor vehicle or one which is in a locked container in or a locked firearms rack which is on a motor vehicle which is being used by an adult over 21 years of age to bring to or pick up a student at a school building, school function, or school property or on a bus or other transportation furnished by the school, or when such vehicle is used to transport someone to an activity being conducted on school property which has been authorized by a duly authorized official of the school; provided, however, that this exception shall not apply to a student attending such school; and shall not prohibit any person who resides or works in a business or is in the ordinary course transacting lawful business or any person who is a visitor of such resident located within a school safety zone from carrying, possessing, or having under such person's control a weapon within a school safety zone(this code section does not apply to anyone carrying or transporting a weapon through the zone, or while conducting business while in the zone, or while visiting someone who resides in the zone. Be advised however if you step onto actual school property (while not picking up or dropping off a student), the building or land the building is situated on, then you are in violation even if you have a license. Be careful!) however, it shall be unlawful for any such person to carry, possess, or have under such person's control while at a school building or school function or on school property, a school bus, or other transportation furnished by the school any weapon or explosive compound.(16-11-127.1)