How many email patterns does CK-12 Foundation use?

CK-12 Foundation uses 6 known email patterns.

What domain does CK-12 Foundation use for work emails?

CK-12 Foundation uses ck12.org for work email addresses.

Most Common Email Formats at CK-12 Foundation

CK-12 Foundation's most common email format is First.Last@ck12.org (ex. John.Doe@ck12.org), used for 73% of ck12.org addresses. CK-12 Foundation uses 4 email patterns.

@ck12.org

4 patterns

Format	Example	Share of ck12.org
First.Last@ck12.orgMost common	John.Doe@ck12.org	73%
First@ck12.org	John@ck12.org	24%
FirstLast@ck12.org	JohnDoe@ck12.org	2%
FirLast@ck12.org	JohDoe@ck12.org	1%

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Browse CK-12 Foundation's employee directory (about 190 employees) and reveal verified emails free.

Frequently Asked Questions

What does CK-12 Foundation do?

CK-12 Foundation was founded in 2007 and operates in the Primary and Secondary Education industry, alongside similar companies like Quizlet, Houghton Mifflin Harcourt and Duolingo. You can visit ck12.org or contact CK-12 Foundation's headquarters by phone at

+1-650-494-****

. Explore CK-12 Foundation's company overview page for more information.

What is CK-12 Foundation's email address format?

CK-12 Foundation's email format typically follows the pattern of First.Last@ck12.org; this email format is used 73% of the time. Other contacts within LeadIQ's database had email formats such as First@ck12.org and FirstLast@ck12.org. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does CK-12 Foundation have currently?

CK-12 Foundation has approximately 190 employees as of October 2026. Key team members to contact include Vp Of Engineering: A. G., Head Of Marketing: R. O. and Vice President: A. G. For more team information and contact data, explore CK-12 Foundation's employee directory with LeadIQ.

CK-12 Foundation Email Format

Primary and Secondary EducationCalifornia, United States51-200 Employees

CK-12 Foundation is a nonprofit organization in the primary and secondary education sector that provides free, high-quality learning resources for students and educators worldwide. It aims to reduce the cost of K-12 textbooks by offering digital materials and learning experiences that can be adapted to individual needs. Headquartered in Menlo Park, California, the foundation serves a global audience and seeks to make learning more engaging and accessible.

Among its recent offerings, the organization has introduced Flexi, the AI tutoring assistant, to personalize instruction. In February 2026, CK-12 partnered with Bharti Airtel to launch a Teachers App, a development tied to expanding access to its resources.

Most common format

First.Last@ck12.org

Example: John.Doe@ck12.org

4 patterns. See all formats

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Most Common Email Formats at CK-12 Foundation

@ck12.org

Need a specific person's email?

Frequently Asked Questions

What does CK-12 Foundation do?

What is CK-12 Foundation's email address format?

How many employees does CK-12 Foundation have currently?

CK-12 Foundation Email Format

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What you can expect from LeadIQ:

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Everything for prospecting,
in one platform.