Spark education. The full name of primary school Olympic mathematics is "primary school Olympic mathematics" or "primary school mathematical Olympics". Dongguan Spark Education Olympiad is better, but the teaching environment of Dongguan Spark Education is not good. Teaching is one-on-one tutoring. Dongguan, formerly known as Baoan, is a prefecture-level city under the jurisdiction of People's Republic of China (PRC) (China) Guangdong Province. Located in the south-central part of Guangdong Province, on the east bank of the Pearl River Estuary and in the Pearl River Delta downstream of Dongjiang River.