Valedictorian: Emma Mack. Emma is the daughter of Tracy & Nancy Mack. Emma is currently the IHS yearbook editor. She is also the Student Council secretary and a member of National Honor Society. Emma is a two-time state UIL journalism qualifier and the defending bronze medalist in Editorial Writing. Emma has also participated in Lady Cat athletics while in high school. This year, Emma was voted by her peers as Miss Idalou High School and by her teachers as Outstanding Overall Senior Girl. She is graduating with a gpa of 4.04 and plans to attend Abilene Christian University.