Thanks for tagging me, @kglad!
@egor_0261 , I am sorry your daughter is unable to access her account because neither of you has access to the email account provided by the school, and used by your daughter, to create their account. If you did not set up another method of accessing the account, then your daughter will need to create a new account for any future access to Adobe services. You can find more information at https://helpx.adobe.com/x-productkb/global/2-step-verification-account-security.html.
If you are trying to retrieve the files, documents, and other assets created by your daughter, see https://helpx.adobe.com/enterprise/using/asset-reclamation.html for information on how to work with the school's administrator to reclaim the files.
Finally, I understand you still have an active plan under the account that you are no longer able to access. Please click on the contact Adobe Customer Care link under the section title Forgot your Adobe password and can't access other authentication methods at https://helpx.adobe.com/x-productkb/global/2-step-verification-account-security.html. You may want to start the process with a different device, @egor_0261, if you are unable to reach anyone on the account you used to post to this public discussion forum.
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