Twice a year. Cheerleading colorful star system is a cheerleading growth rating system tailored by the National Cheerleading Committee for the physical and mental development characteristics of 3- 14-year-old children, which is divided into seven technical levels: red, orange, yellow, green, blue and purple. According to official website, the National Cheerleading Committee, April and September are technical grade examination months every year, and you can get seven-color stars in these two months every year. 13 to 35 years old can take the national athlete level examination, which is divided into five technical levels: third-class athletes, second-class athletes, first-class athletes, excellent athletes and national athletes.