Tim McGraw Shares Emotional Video of Students Serenading Teacher Battling Cancer: Watch

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Tim McGraw performs onstage during his "Shotgun Rider" tour at Nikon at Jones Beach Theater on June 11, 2015 in Wantagh, New York. 

More than 400 students and faculty from a Tennessee school have left their classrooms to serenade a teacher suffering from an aggressive form of cancer.

Video of the group singing outside Christ Presbyterian Academy teacher Ben Ellis' home last week has been viewed more than 24 million times after country star Tim McGraw shared it on his Facebook page Saturday. The video shows Ellis watching the group from a window and singing along.

Tim McGraw Debuts Emotional, Oprah-Approved Video for 'Humble & Kind': Watch

The Tennessean newspaper reports the unplanned tribute came after students were told Ellis had decided to discontinue treatment for cancer.

The Nashville school classes were stopped and students were taken by bus to Ellis' home.

The father of five tells Nashville's WKRN-TV the moment was amazing and made him feel like he "was not alone."

a friend sent this to me today. Ben Ellis is a Nashville area high school teacher battling cancer. The entire student body (400+ students plus HS faculty) drove to his house to worship with him. Our thoughts and Prayers are with him and his family..... So precious and kind.

Posted by Tim McGraw on Saturday, September 10, 2016