Chongqing Cai Ying Training School is good. By inquiring about the ranking of training institutions in Yubei Olympic Mathematics in 2023, it is known that Cai Ying Training School ranks first, with 40 teachers with more than 5 years' experience, which are highly professional and well-known. It is a good training institution for Olympic Mathematics. Chongqing Cai Ying Training School was established on 200165438+February 19, located at Jiulong Avenue, Longwen Street, Qijiang District, Chongqing.