Residents of Folly Beach send their children to the following 
public schools:

James Island Elementary School
1872 Grimball Road
Charleston, SC 29412 

James Island Middle School
1484 Camp Road
Charleston, SC 29412 

James Island Charter High School
1000 Ft. Johnson Road
Charleston, SC 29412 

School district lines do occasionally change so please 
call Charleston School District to verify: 843-937-6300 
Here are some additional links that might prove to be 
useful to you: Charleston County School District:  

South Carolina Department of Education:

There are numerous private schools in the area as well. 
Below please find a PDF outlining the various options.