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

The most accurate and popular CK-12 Foundation's email format is First.Last@ck12.org (ex. John.Doe@ck12.org). CK-12 Foundation also uses First@ck12.org (ex. John@ck12.org) as email structures. CK-12 Foundation uses up to 4 different email patterns.

CK-12 Foundation Email Formats	Example	Percentage
First.Last@ck12.org	John.Doe@ck12.org	72%
First@ck12.org	John@ck12.org	25%
FirstLast@ck12.org	JohnDoe@ck12.org	2%
FirLast@ck12.org	JohDoe@ck12.org	1%

CK-12 Foundation Email Formats

Example

Percentage

First.Last@ck12.org

John.Doe@ck12.org

72%

First@ck12.org

John@ck12.org

25%

FirstLast@ck12.org

JohnDoe@ck12.org

FirLast@ck12.org

JohDoe@ck12.org

Frequently Asked Questions

What does CK-12 Foundation do?

CK-12 Foundation was founded in 2007. The company's main headquarters is located in 4300 Bohannon Drive Suite 200 Menlo Park, California United Statesoperates in the Primary and Secondary Education industry, along with similar companies like QuizletHoughton Mifflin Harcourt PublishingDuolingo. You can visit ck12.orgcontact 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 72% of the time. Other contacts within LeadIQ's database had email formats such as First@ck12.orgFirstLast@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 170 employees as of May 2026. Key team members to contact include Vp Of Engineering: A. G.Head Of Marketing: R. O.Head Of Content: L. S.. 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 Email Formats at CK-12 Foundation

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?

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CK-12 Foundation Email Format

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Most Common Email Formats at CK-12 Foundation

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?

Everything for prospecting,in one platform.

What you can expect from LeadIQ:

CK-12 Foundation Email Format

Verify CK-12 Foundation email addresses

Ready to create more pipeline?

Ready to create more pipeline?

Everything for prospecting,
in one platform.