If you would like to teach more students or have more teachers in your school, you can upgrade your Free plan anytime and simply downgrade if you don't need a bigger plan at the time.
Log in to your school and click the School button in the top bar and click the Subscriptions menu on the left.
Step 1 - Save your credit or debit card in the Subscriptions menu
You will be able to see the list of plans once you added your card details. Add your card number, the expiration month and year and the CVC code of your card. The system will ask if you are sure to save your card, click "Yes".
Step 2 - Choose your subscription plan
Choose your plan and click the "Subscribe" button. The popup window will ask if you are sure you would like to subscribe. Click "Yes" and your subscription period starts from that day on, you can add the extra accounts from that moment on. You will see your plan details in the "Your current plan" section. You can see your billing period and click "Cancel" if you would like to cancel your current plan. Your current subscription will run until the end of the billing period, you can withdraw your cancellation during this period without any consequences.