Why can't I contact a real person without having an active plan????? I need help with my school licence

I have a licence for my school to use creative cloud at home. Before I knew that I had a plan I did a free trial and tried to contact the support and ask if they know how I can activate my account. They did change my email to a one that doesn’t work anymore and now I can’t access my account. Also my school IT team is soo slow and I'm sorry to use these words but they are no help… 

I just need a human from here to help me… But for that I need an active plan, like what??? why??????? fml

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