School Digger is a national website with public school rankings in grades K-12 based on yearly test scores supplied by the Georgia Department of Education. Test Scores included in the rankings are CRCT Reading, CRCT English Language Arts, CRCT Math, CRCT, Science and CRCT Social Studies. In addition to rankings, the site includes school and district boundaries and student/teacher ratios.

Great Schools is a non-profit organization that provides a quick look at public, public charter and private schools in grades preK-12 in your area. The ratings are based on test scores and other data including student growth and college readiness. In addition, the site includes more than one million reviews from parents, teachers and students sharing information about the schools.

Private School Review is a national website providing detailed profiles of private day schools and their surrounding communities. The site evaluates schools relative to each other and to state-wide private school averages for several key criteria such as teacher to student ratios.

The National Center for Educational Stats (NCES), is the primary federal entity for collecting and analyzing data related to education.