Please note that the Web Store is optimized for laptop/desktop use.
Log into your account using the email address which was used to create the account during registration. Then select the hamburger menu in the upper left.
Scroll all the way down to reach the Parent Portal Link on the menu. Click on the Parent Portal.
Below is an image of the Parent Portal that you will see. Click on the Calendar icon (highlighted by red arrow).
Pick days of attendance in the Calendar.