Principal's card is a kind of certificate that can be used to evaluate professional titles and apply for school permission. To run a training school now, you need to submit a principal's card to apply for a certificate. There are two channels to obtain the principal's certificate: relying on others or taking the exam yourself.

About subordination:

(1) The principal card is difficult to obtain, but it can be borrowed and hung without affecting the normal operation of the school in the later period.

(2) Who should I call?

The application conditions for the principal's card are different in different provinces and cities. Principals are generally required to have intermediate professional and technical positions or bachelor degree or above, and have more than 5 years of educational management experience. The principal's card can't be obtained by passing the exam. Generally, local governments, education bureaus, primary and secondary schools recommend their training targets for centralized training, and then issue the principal's practice certificate.

So the person with the principal's card is or used to be the principal of public primary and secondary schools. You can call the person with the principal's card from the above channels.