If you are contacting us to "CANCEL" an account you can Cancel an auto renewing subscription from your membership tab in your Account settings.
You can find more information about Membership management, take a look at this article: Managing your Membership Renewal
For information about Downgrading your account membership, check out this article: Downgrade an Account
If you want to fully Delete your Boom Account, you can find more information in this article: How to Delete Your Teacher Account
If you have any further questions, please feel free to email us at help@boomlearning.com or call us at (833) WOW-BOOM. A real human will happily help you!