From the student's account:
Step 1: Go to the Profile menu and click "Share your planner"
Step 2; Under "Invite my parent" enter the parent's email
Step 3: Check the parent's email account for the confirmation email
Step 4: Click on the provided link to confirm you are the parent
At this point, you will start receiving a weekly report which includes the student's schedule and the state of their tasks
Step 5: The parent or guardian can now login to Studyo with the same email the invitation was sent to.
If you wish to use a different email, a code is provided to login with that email and enter the code.
Here is a video showing the process: