At present, there are only two high schools in Mayang, namely Mayang No.1 Middle School (Mayang Miao Autonomous County No.1 Middle School) and Mayang Ethnic Middle School (Mayang Miao Autonomous County No.3 Middle School, Mayang No.3 Middle School and Mayang People Middle School).
In addition, a few years ago, there was a Mayang No.2 Middle School, which should be in Jinhe, and now its high school part has been removed.
I hope it helps you.