Azure for Students is available only to students who meet the following requirements:
Please check this doc : Azure for Students
Azure for Students is available only to students who meet the following requirements. You must affirm that you are age 18 or older and attend an accredited, degree-granting two-year or four-year educational institution where you’re a full-time student. You must verify your academic status through your organization’s email address. This offer is not available for use in a massive open online course (MOOC) or in other professional trainings from for-profit organizations. This offer is limited to one Azure for Students subscription per eligible customer, is non-transferable, and cannot be combined with any other offer unless otherwise permitted by Microsoft. Azure for Students has a limited supply of activations and the offer is available only while supplies last. Microsoft may terminate this offer at our sole discretion. Other restrictions may apply.
If you're eligible, then you may ceate a support request: https://azure.microsoft.com/support/create-ticket/. The ticket enables you to work closely with the support engineers and get a quick resolution to your issue.