The Secure Chat App for Schools

The GDPR-compliant messenger for schools. For protected communication between teachers, parents, and students.

Everyday Challenges at School

Communication in schools is demanding: teachers, parents, and students need reliable information, clear agreements, and a fast, uncomplicated way to get in touch with each other. Conventional solutions quickly reach their limits due to data protection issues, disorganized group chats, or a lack of permission controls.

Threema Education is a privacy-compliant, structured, and easy-to-use communication solution that was developed specifically for schools. No phone numbers are required, no data is shared with third parties, and the school has full control. This ensures that the flow of informationremains secure, targeted, and efficient.

Privacy-Compliant Communication at Schools

From parent-teacher meetings and absence notifications to canceled classes and group projects, schools face countless situations every day that require reliable information exchange. Yet teachers often resort to private messengers, which can leave them in a legal gray area. Students may disclose personal data without adequate protection, parents struggle to keep track of everything, and the school has no control over the exchange of information.

To be legally sound and compliant with privacy regulations, school communication requires clear structures, secure channels, and full control by the school.

Trust Starts with Security

Confidential topics are discussed every day in schools. It’s not enough for messages to be delivered quickly – they must also be processed securely and with minimal data collection. Who has access? What information is being recorded in the background? Many messaging apps collect more information than you might think.

Threema Education is committed to data protection: no phone numbers, no centrally stored metadata, no user profiles. Instead, it offers true end-to-end encryption and gives the school full control, ensuring that sensitive content remains confidential.

Simple, Secure, Structured: Communication for Everyday School Life

Confidential exchange, clearly defined groups, and no data risks: this is how digital collaboration becomes a reliable pillar of school operations.

Messaging without phone numbers

Teachers, parents, and students can communicate securely without sharing private mobile phone numbers.

Targeted information distribution to groups

Send messages to entire classes, parents’ associations, or departments with just a few clicks – ideal for schedule changes, sick notes, or organizational information.

Structured group communication

Easily set up groups for classes, projects, or clubs, while teachers keep the overview.

Central administration and clear responsibilities

The school determines who can create groups, send messages, and share files.

Robust data protection and full data sovereignty

No phone numbers are required, no personal metadata is stored, and no data is shared with third parties

Practical features for everyday school life

Polls for scheduling appointments, secure sharing of photos, documents, and forms, plus clear guidelines for availability outside of class hours

Success Stories

From real-world experience: How Threema makes school life safer, more efficient, and fully privacy-compliant.

Children and Young People Need Protection – Online Too

Children and adolescents are particularly vulnerable online. That’s why communication at schools requires not only efficiency, but also security. Threema Education protects young people’s communication with end-to-end encryption, minimal data collection, and full GDPR compliance – without ads or data sharing.

Responsibility stays where it belongs: with schools and teachers.

  • No data sharing

  • No advertising

  • No hidden profiling

  • No uncontrolled external contact

  • Clear, secure communication structures

How schools succeed with Threema

Fewer calls to the school office thanks to targeted broadcast functionality: information can be sent to multiple recipients at the same time, reducing administrative work

Greater satisfaction among parents through transparent communication: everyone receives the same information at the same time, creating clarity and strengthening trust

Better involvement of students in group work: shared message rooms facilitate the exchange of ideas and documents within project groups or classes

„Threema is easy to set up. It only took a few days until the app was rolled out across the school.“
Volker Arntz Principal

Education

12.00

per year, per teacher

The secure Chat App for Schools

  • GDPR-compliant and data-efficient

  • No phone numbers required

  • End-to-end encrypted chats

  • No ads, no data sharing

  • Clear roles and communication channels

Bring secure communication to your school.

Learn more – simple, privacy-first, and designed for everyday school life.

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