Current Status
All Systems Operational
Recent Incidents
Site unavailable
noneJun 4, 2025 · resolved Jun 4
CK-12 was unavailable from 2:00 PM to 3:15 PM PST. The issue has been resolved, and we apologize for any inconvenience caused.
Assessment pages (Practice and Quiz) not loading properly
noneApr 9, 2024 · resolved Apr 9
This incident has been resolved.
Assignment Submissions Failing
noneMar 13, 2024 · resolved Mar 13
This incident has been resolved.
Elevated Errors and Slowdown
majorFeb 21, 2024 · resolved Feb 21
This incident has been resolved.
Investigating an issue with sign in
noneJan 12, 2023 · resolved Jan 13
This incident has been resolved.
Get alerted when CK-12 Foundation goes down
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