CTSO Board Members and supporters attended the Endowment Dinner Concert and were treated to outstanding performances by the combined Diocesan Elementary School Choir; the St. Augustine Catholic High School Mariachi Los Lobos; the Yuma Catholic High School Golden Shamrock Choir; the Lourdes High School Ballet Folklorico; the San Miguel high School group “Los Nortenos de San Miguel and the Salpointe High School Combined Advanced Arts Performance ensemble.