Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPS A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites. National Park Service Search Exiting nps.gov Rate the Lesson Plan Field Trips Self-guided Field Trip of Andersonville Grade Level: Middle School: Sixth Grade through Eighth Grade Subject: Literacy and Language Arts,Social Studies Recognizing that not all visiting groups will be able to attend a ranger-led program, the p