Where most complaints about this service are coming from, over the last 24 hours.
Shows where the service URL was unreachable during the detected outage periods. Percentages indicate the share of failed checks from monitoring locations in each country.
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If Schulmanager Online won't accept your credentials, start with the basics: double-check that Caps Lock is off and you're using the correct school-specific login URL. Each school gets its own subdomain, so logging in through a generic address often leads nowhere. If you've forgotten your password, use the reset link on the login page — the reset email sometimes lands in spam, so check there too. Persistent login failures after a correct reset usually point to browser cache issues. Clear cookies and cached data, then try again.
This is almost always a local network problem rather than a server outage. Try opening the site on mobile data instead of Wi-Fi to rule out router issues. If it loads fine on mobile, restart your router and flush your DNS cache — on Windows, open the command prompt and run ipconfig /flushdns. Also try a different browser; Chrome and Firefox handle the platform differently, and one may work when the other stalls.
Sometimes the interface loads but content inside it doesn't appear — no class entries, no messages, empty dashboards. This usually means a partial load failure. A hard refresh fixes it most of the time: press Ctrl+Shift+R on Windows or Cmd+Shift+R on Mac. If the problem repeats daily, disable browser extensions one by one, since ad blockers and script blockers frequently interfere with dynamic content loading.
When attaching documents or images through the messaging module, failures often come down to file size or format restrictions. Keep files under 10 MB and stick to common formats like PDF or JPEG. If the upload bar freezes mid-way, your connection likely dropped during the transfer. Switch to a more stable network and try again. Avoid uploading files over public Wi-Fi — inconsistent packet delivery causes uploads to stall without an error message.
Schulmanager Online is primarily designed for desktop use. On mobile browsers, rendering can lag and some buttons may appear misaligned or unresponsive. Switching to landscape orientation sometimes helps. If the schedule or gradebook loads slowly, it's often a mobile network latency issue — move to a stronger signal area or connect to Wi-Fi. There is no dedicated native app, so all mobile access goes through the browser, which means performance depends heavily on your device's available RAM and browser version.