St. Paul Christian Academy is fully accredited by the Southern Association of Colleges and Schools and the Southern Association of Independent Schools.

In addition, the Academy has affiliations with the following: 

• American Library Association
• American Speech-Language-Hearing Association
• Association for Supervision and Curriculum Development
• Coalition of Lighthouse Schools
• Educational Records Bureau
• Independent School Management
• International Mind and Brain Association
• National Association of Independent Schools
• Tennessee Association of Independent Schools