Hi Мальченко Марія Сергіївна ,
Seems you'll need to ask your school's admins for assistance. You must verify your academic status through your organization’s email address
https://azure.microsoft.com/en-us/offers/ms-azr-0170p/
Please do not forget to "Accept the answer” and “up-vote” wherever the information provided helps you, this can be beneficial to other community members.
If you have any other questions or are still running into more issues, let me know in the "comments" and I would be happy to help you