CK-12 Competitors and Similar CompaniesClear all
CK-12's competitors and similar companies include ResponsiveEd and GreatSchools.org.
 CK-12 CK-12 Foundation is an open educational resources (OER) non-profit organization providing access to education materials for students and teachers. |  ResponsiveEd Responsive Education Solutions is a nonprofit organization, operates free public schools. | ||
Founding Date | Founding Date 2007 | Founding Date 1998 | Founding Date 1998 |
Type | Type Private | Type Private | Type Private |
Tags | |||
Locations | Locations Palo Alto, US HQ Bengaluru, IN | Locations Lewisville, US HQ | Locations Oakland, US HQ |
Employees | Employees 1471% decrease | Employees 1,270 | Employees 554% decrease |
Operating ⚠ | |||
Trademarks (US) | Trademarks (US) 1 (Apr, 2022) | Trademarks (US) 28 (Jan, 2022) | Trademarks (US) N/A |
For sources of this data, please see the company profile
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ResponsiveEd
HQ
Lewisville, US
Employees
1,270
Responsive Education Solutions is a nonprofit organization, operates free public schools.
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GreatSchools.org
HQ
Oakland, US
Employees
55↓ 4% decrease
We help millions of parents get a great education for their child.
View company