Thirty-four students graduated in May 2008. Six graduated with Summa Cum Laude honors (GPA 3.8-4.0) and five graduated with Cum Laude distinction (GPA 3.5-6.4), Valedictorian for the class was Michelle Porter who attends the University of Tennessee. Salutatorian was Ansley Guy who attends Lincoln Memorial University. Joseph Rose received a scholarship to the US Army ROTC program at UT. 

Other colleges/universities attended by the 2008 graduates include East Tenn. State University, Bryan College, Liberty University, Roan State Community College, Carson Newman College and Pellissippi State Technical Comm. College.

Twenty-seven students graduated in May 2007. Three graduated with Summa Cum Laude honors (GPA 3.8-4.0) and five graduated with Cum Laude distinction (GPA 3.5-3.64). Valedictorian for the class was Andrew Merritt who attends Vanderbilt University. Co-salutatorians were Reid Rankin and Caleb Cagle. Rankin has been recognized by the National Merit Scholarship Corp. as a National Merit Finalist Rankin and Cagle both attend the University of Tennessee. Joseph Adams is the third graduate to be accepted into the U.S. Military Academy.

Other colleges/universities attended by the 2007 graduates include Lipscomb University, Carson-Newman College, Bodenseehof (German), Bryan College, Kentucky Christian University, Middle Tennessee State University, Bob Jones University and Pellissippi State Technical Community College.

Eighteen students graduated in May 2006. Four graduated with Summa Cum Laude honors (GPA 3.8-4.0) and one graduated with Cum Laude distinction (GPA 3.5-3.64). Valedictorian for the class was Philip Draper who won the Johnny Mauer Optimist Club award and was accepted into the U.S. Military Academy at West Point. Salutatorian was Christopher Banks who was offered over $150,000 in scholarship monies. Banks is attending Emory University in Atlanta to study pre-med.

Other colleges/universities attended by the 2006 graduates include Bryan College, Carson-Newman College, Free Will Baptist Bible College, Gettysburg College, Pellissippi State Technical Community College  and Tennessee Technological University.

Seventeen graduates of the class of 2005 made up GCA's first group of alumni. Four of these students graduated with Summa Cum Laude honors (GPA 3.8-4.0) and four graduated with Cum Laude distinction (GPA 3.5-3.64). Valedictorian for the senior class was Kristen Arnold who received a scholarship from Tennessee Technological University.  Salutatorians were Laura Neises and Mollie Flynn.  Neises was awarded a presidential scholarship from Bryan College and Flynn is attending the University of Tennessee. College scholarships were awarded to 35% of the graduating class. 

Other colleges/universities attended by the 2005 graduates include Embry-Riddle Aeronautical University, Liberty University, Pellissippi State Technical Community College, Roane State Community College, Southwestern Conservative Baptist Bible College and the United States Air Force Academy.