Posted in Religion, Schools & Education YCHS stands for Yap Catholic High School (Micronesia) YCHS stands for Yuba City High School (Yuba City, CA) YCHS stands for Yadkin County Humane Society (est. 1990; Yadkinville, NC) YCHS stands for Yolo County Historical Society (Woodland, CA) YCHS stands for Yuma Catholic High School (Arizona)