Ordinary. According to official website of Shenyang Huahang Aviation School. Shenyang Huahang Aviation School is an educational brand specializing in flight attendant college entrance examination training. The school has independent legal person qualification and school license, and it is the platform and training base for vocational secondary school students in the province before the exam. Therefore, Shenyang Huahang Aviation School is formal. Shenyang Huahang Aviation Vocational School belongs to Liaoning Century Impression Education Group.