Ck12.org Status
CK-12 Foundation provides a library of free online textbooks, videos, exercises, flashcards, and real world applications for over 5000 concepts from arithmetic to history
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For 1 year, 2 months
(Sep 26, 2020 5:54 a.m. UTC)
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100%
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Latest Downtime
Sep 26, 2020
2:47 a.m. UTC
Lasted for 3 hours, 6 minutes
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