Because high school diplomas are all a proof that they belong to their own graduation school, they don't represent degrees, because after graduating from high school, they will have higher academic qualifications, so if they have higher academic qualifications, they will no longer care about high school diplomas.
Then the diplomas of these two middle schools mainly contain the differences between the attributes of the two schools, that is, the attributes of public middle schools and private middle schools. The above is a difference between Sixian Bilingual Middle School and Sixian No.1 Middle School.