Private messengers in school communication
In many schools, communication has long since moved to private messengers, often to WhatsApp: the class group with parents, the arrangement among staff, the sick note as a message in the morning. For official school communication, several state data protection authorities and education ministries have restricted or prohibited this. This page sets out what is at issue and what a school needs instead.
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What a school needs instead
A channel the school manages
Responsibility for school data stays with the school. That only works when the accounts belong to the school and do not hang on a private phone line.
Roles instead of private numbers
Teachers write from their role. The private mobile number stays private, and availability has a beginning and an end again.
Sensitive details with the right role
A sick note goes to the school office, not to thirty families. Health details enjoy special protection under Article 9 GDPR.
Reachable for every family
Without a smartphone and with little German as well: browser access and multilingual texts mean nobody drops out of the class group.
How a school settles its communication routes
Before a new channel is introduced, a short stocktake pays off: who writes about what today, which of it is official, and which rule should apply to which occasion in future?
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1
Take stock first
First gather what actually happens: class groups with parents, arrangements among staff, sick notes sent as messages. Without that picture, every rule is decided past the real practice and quietly worked around day to day.
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2
Check the state rules
What applies to official use differs by federal state and by purpose. The data protection officers of the school and the state authority can advise; many states have published their own guidance on the question.
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3
Settle on a channel
Then comes the decision about where official messages will run in future: a channel the school manages, with roles instead of phone numbers and with a route for families without a smartphone.
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4
Put the rules in writing
Finally the school records the outcome, usually in a communication policy and, among staff, often supplemented by a works agreement. Which form is provided for depends on the federal state.
A school-managed channel and a private group
Messengers, data protection and school life
Why official use is delicate
Responsibility for school data lies with the school, not with the individual teacher. If communication runs through a private account, a service processes personal data without the school having set the framework for it: no processing agreement under Article 28 GDPR, no commitment on where the servers are, depending on the provider some processing outside the EU, and no way to delete data later in a targeted manner. Two further points are easily overlooked in daily life: many messengers sync the phone's address book during setup, so numbers of people who know nothing about it travel along. And even with encrypted content, metadata arises about who wrote to whom and when. Whether and for what purpose official use is permissible is regulated differently by the federal states.
The teacher's private number
Alongside data protection there is a second question, one about working life. Anyone writing from their own line hands their private number to parents and classes and will not get it back in a hurry. Messages arrive in the evening, at the weekend and during the holidays, the online status shows that someone could be reached right now, and an unanswered message easily turns into a reproach. Work and private life are hard to keep apart on the same device. Traceability comes on top: when a teacher leaves, the history leaves with them, and nobody can show later which arrangement was made when. A school-managed channel for parent communication hangs on a role rather than on a number, and access ends when the job ends.
Sick notes and health details
It becomes clearest with the sick note. That a child is ill is one of the details Article 9 GDPR protects in particular, and in a class group every family reads it. What a school needs is therefore not a second chat but a channel in which a digital sick note reaches only the role in charge, in which a digital parent letter with a read receipt replaces the return slip, and in which separated guardians hold the same information. A parent portal bundles exactly that, including browser access for families without a smartphone and multilingual texts for families who speak little German. That is how SchuleVernetzt is built; which requirements apply in detail is something the school clarifies with its data protection officer.
The way out of the class group
The switch does not start with technology but with an agreement: which route applies to which occasion from now on? Once that is settled, the school needs a channel it manages itself – create classes, bring families in by invitation link, done. SchuleVernetzt is one of those routes.
Frequently asked questions about messengers in school
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