Contact Us

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Got questions?
CK-12 Help Center

650.353.4619

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Tell us.
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Need help getting
started with CK-12?
support@ck12.org
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Partner with us
to make an impact.
partners@ck12.org
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Have a problem?
Reach out to CK-12.
650.353.4619 or
support@ck12.org
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Need help getting
started with CK-12?
support@ck12.org
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Partner with us
to make an impact.
partners@ck12.org
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Everything else?
info@ck12.org
CK-12 FOUNDATION

3430 W. Bayshore Rd.
Suite 101
Palo Alto, CA 94303
USA

Tel 650.494.1302
Fax 650.494.1313

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CK-12 FOUNDATION (India)

3rd Floor, Site No. 646, 27th Main Road
HSR Layout, Sector 1,
Bengaluru, Karnataka 560102
Find us on Google Maps