Was your 14-day demo of Open-School not enough? You have the ability to extend it for another 14 days within a week from expiry. Do note that the demo can only be extended once.
You should be seeing the page below if your demo doesn't exist or has expired.
To extend your demo, login to your Open-School account from here: https://open-school.org/user/login
Once you login, you will be able to see the status of your demo. If it has expired, you will be able to see an 'EXTEND MY DEMO' button as shown below.
This button will allow you to extend your demo for another 14 days from the current day.
You will now be able to access your demo using the 'VIEW MY DEMO' button.
In case of any issues please feel free to contact our support team at firstname.lastname@example.org or use the chat widget at the botton right corner.