Private schools, five insurances and one gold, basically have no benefits. Although the salary of private schools may be higher, they don't buy five insurances and one gold for teachers according to the salary they get. Therefore, relatively speaking, five insurances and one gold will not be as high as public schools.
In teaching and training institutions, the wage structure is unstable, and five insurances and one gold are also based on scale. Some may not have the benefits of housing provident fund, and even the five insurances are purchased for the lowest employees.