Yes, You can purchase CC Edu version for you son using your Adobe account. You can subscribe for CC Edu in 19.99$/mo but they might ask you to submit the Proof of Eligibility.
To qualify for a student discount, you must be at least 13 years of age and enrolled in one of the following:
For more details and clarification please see Education FAQs : Education FAQ
Let me know if you need further assistance on this.
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