1, the party school certificate should be the party class certificate. If so, as long as it is valid for two years, all party organizations in the country will recognize it. But the key is to have a certificate of completion.
2. Preparing for party member is not an application, but an organization approval. Generally speaking, during the two-year validity period from being elected as a party activist, as long as it meets the requirements of the organization and there is no violation of discipline, you can hold a meeting through the party organization to evaluate yourself and absorb yourself into the organization. Therefore, having a party class certificate is a necessary prerequisite, but without this certificate, you will definitely become a preparatory party member. We should be fully prepared psychologically.