The Galloway School is an independent school in Atlanta. There are positions available for the 2017 – 2018 school year. See below.

Upper Learning Physics Teacher
Upper Learning Economics and World History
Long-term Substitute: Fifth Grade Social Studies
Long-term Substitute: Sixth Grade Social Studies
Middle Learning Chorus Teacher (Part-time, 90%)
Early Learning Support Teacher (Part-time, 20 hours)

Galloway does consider applicants who need sponsorship for H-1B visas. And, as an independent school, Galloway does not require certification.

The following positions are available at The Westminster Schools, which is a private school in Atlanta. 

https://www.westminster.net/podium/default.aspx?t=225541

Lower School Lead Teacher  
Middle School History Teacher
Upper School Biology Teacher
Upper School French & Spanish Teacher
Upper School Librarian
Upper School Physics
Lower School Lead Teacher