The value of the homestead, but not to exceed $10,000 of its assessed valuation, shall be exempt from county school tax or independent school district tax as provided by law. Said amount shall be exempted from all ad valorem taxes for educational purposes levied by, for, or in behalf of any such school system, including taxes to retire bonded indebtedness.
Ga. Comp. R. & Regs. R. 560-11-2-.52
Ga. Code Ann. Secs. 92-8405, 92-8406, 92-8409, 92-8427.