Sheridan High School Choirs Smiling singers from Sheridan High School Show Choir will sing for your Mother on this special occasion. Sing-a-grams include 3 Mother's Day Songs, a personalized card and carnation. To order a sing-a-gram for your mother, please call Sheridan High School at 740-743-1335 and ask for Mrs. McClain, choir director. Then request your day and time for delivery. Sing-a-grams will be delivered on Friday, May 9 from 3 to 8 p.m. & Saturday, May 10 from 9:00 a.m. to 2:00 p.m. Cost is $15 and all profits support Sheridan High School Choirs.