Your school may have restrictions on what sites can be visited on the internet.
If you use whitelisting:
To play Teach Your Monster games your IT support will need to add the domains that we use to your whitelist. We use these domains for all games on the website, phone apps and tablet apps.
These domains are:
https://www.teachyourmonster.org/* and all subdomains e.g. https://example.teachyourmonster.org
https://www.teachyourmonstertoread.com/* and all subdomains e.g. https://example.teachyourmonstertoread.com