On the back of the photo, Elvie Craig listed her students with the following notes.  The picture is dated April 4, 1930.

Teacher:  Elvie Craig
Pleasant Ridge District 6
Liberty Township, Keota, Iowa

Eugene Jackson
Veda Le Fever
Floyd Weaver - killed in service
Wayne Singleton - died of Polio
Melvin Weaver - killed in airplane crash
Vera Rhodebeck
Vernon Weaver - killed by tractor
Gayle Le Fever
Esther Weaver
Wayne Rhodebeck