School Site Licences
With the free Yenka Home Licences, you aren't allowed to use Yenka in a school.
However, your school can buy a School Site Licence, which will let you use Yenka on an unlimited number of computers at one school site.
When you purchase a School Site Licence, it's yours to keep - you don't need to pay annual subscriptions to keep using it.
Also, your Teacher Home Licence will be extended to allow you to use Yenka to prepare lessons and teach the students from your school - but only for those products for which you've purchased a School Site Licence.