If you are still experiencing a problem with regaining cpanel access, I would recommend trying one of the third party cpanel replacements {like gPanel}, which will let you provide any valid administrator account to install the app, and then use the product to reset your admin email account. Provided the admin user supplied has permission to act on the domain of your original account, you can get past the cpanel lockout by resetting your password with a different tool.
Generally speaking, the primary apps account domain {
elearnernetwork.com?} always has permission to modify the accounts on subdomains {
juancarloszayas.com?}. I know that with gpanel you will have to manually associate the subdomains you want to use with the application. You can search "google marketplace gpanel" to get an install for the app.
If you are managing 500 student accounts, you may also find a lot of unrelated use in the marketplace cpanel replacements, but barring direct customer support from google, a third party tool like gpanel is the best / only way to reset your password without cpanel lock out getting in the way.
In the future, I recommend you have a "master admin account" which you will never use or change except to have valid credentials to login to your domain and recover your data.