Does your school have free Internet access from Swisscom? If so, then it is also linked to the cantonal educational network and you can not only take advantage of the swissdox and schultraining programs, you can also make reservations for class outings.
There might be a technical problem or the system could be overloaded. Report any access problems by sending an e-mail to redaktion.schulservice@swisscom.com. Maybe your school isn't linked to the cantonal educational network at all? Click here to find out how you can obtain free Internet access from Swisscom.