In order to get proper access for Highered:
Go to gethighered.com
Click "Student access"
Log in using the same email address you used when first creating your account in your Highered platform.
If you haven't joined Highered yet then you will need to sign up to get access! Sign up with your personal email or your Linkedin account. Keep in mind that to access all features offered by your own school, you will need to verify your account with your school email address.
Video tutorial:
How to verify? Check here