TL;DR
Authorized administrators and supervisors can publish school announcements when the school-announcement feature is enabled.
Steps
Open Announcements in Insights for the correct school year.
Write a clear title and message in the announcement composer.
Choose the audience and whether to send only to the notification centre or also request a device notification.
Preview the recipient count, review the message and confirm the intended send.
Send, then check the announcement history. Review carefully before sending: the composer does not provide a schedule or recall action.
A published announcement is different from an assignment or a guaranteed push notification. Delivery depends on the available channels and user settings. If the menu is absent, check the school's feature access and your role.
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