Privacy Policy

1. What does this Privacy Policy cover?

This Privacy Policy explains how Kendall Hunt collects and uses information from its users, including our treatment of personally identifiable information.

This Privacy Policy covers the and websites (“Website”).

2. What information does this website collect?

2.1 Information you provide to us

Teachers are asked to register on the website in order to access content specifically designed for teachers. Students do not need to register in order to access student content on the Website, and the Website does not collect any student information or work.

When teachers register at the Website, we ask them to provide certain personal information, including but not limited to name, email address, organization, and identity information necessary to verify that the teacher is not a K-12 student. After verification, the identity information is not retained.

2.2 Information collected automatically

In order to enable login-based features, we use cookies to store session information for your convenience. A cookie is an identifier that is stored by a browser on the user’s computer. You will not be able to log in to the Website if you block or delete cookies. We collect data from every visitor of the Website to monitor traffic and fix bugs. For example, we collect information such as web requests, the data sent in response to such requests, the Internet Protocol address, the browser type, the browser language, and a timestamp for the request.

2.3 What choices do I have?

Should you choose to delete your account, please contact us at and we will honor your request.

3. What does Kendall Hunt use my information for?

3.1 Personal Information

We use your personal information to verify that you are a teacher and should have access to the components of the curriculum that are designed for teachers.

We also use your information to contact you about products and services offered by Kendall Hunt and related to the curriculum.

3.2 Usage Information

Kendall Hunt may use data to enable us to determine the frequency of users to our Website and its individual pages, so that we can improve and customize our Website and Illustrative Mathematics products.

4. Does Kendall Hunt share my data?

4.1 Personal Information

Kendall Hunt will not sell your personal information to any third-party organizations for any reason.

4.2 Partners

Kendall Hunt shares personal information with Illustrative Mathematics to assist in the operation of this Website. In addition, if you have opted into receiving Illustrative Mathematics’s newsletter or blog posts, your information is also shared with Illustrative Mathematics for those purposes.

You may choose to restrict Illustrative Mathematics’ use of your personal information by writing to Illustrative Mathematics at to request opt-out of communications.

4.3 Other required sharing

We do not otherwise share personal information you have provided to us without your consent, unless we have a good faith belief that doing so:

  • is appropriate to carry out your request;
  • is necessary to detect, prevent or address fraud, security or technical issues;
  • is necessary to otherwise protect our property, legal rights, or that of others; or
  • is required by law or is necessary to comply with the law or legal process or is pertinent to judicial or governmental investigations or proceedings.

4.4 Usage Information

Aggregated, anonymized data is periodically transmitted to external services, such as Google Analytics (traffic analysis), Heroku (website hosting), and Amazon Web Services (website hosting and data storage) to help us improve the Website and service. User data is shared with our identity management partners: Auth0, FusionAuth, Stripe. We are not responsible for the privacy policies and/or practices of these third party services, and you are responsible for reading and understanding these third parties’ privacy policies.

4.5 Social Networks

We also use social buttons provided by services like Twitter, LinkedIn and Facebook. Your use of these third party services is entirely optional. We are not responsible for the privacy policies and/or practices of these third party services, and you are responsible for reading and understanding these third party services’ privacy policies.

4.7 Agents

We employ and contract with people and other entities that perform certain tasks on our behalf and who are under our control (our “Agents”). We may need to share personal information with our Agents in order to provide services to you. Unless we tell you differently, our Agents do not have any right to use personal information or other information we share with them beyond what is necessary to perform their functions. You hereby consent to our sharing of personal information with our Agents.

4.8 Business Transfers

If Kendall Hunt, Illustrative Mathematics, or some or all of their assets are acquired by or otherwise transferred to another company, or if either company goes out of business, personal information provided by the user and information concerning the user’s use of the Website may be transferred to or acquired by a third party.

5. What if I’m in a different country?

Kendall Hunt is operated from the United States. When you use the Website, you are consenting to have your data transferred to and processed in the United States. If you are visiting the Website from outside the U.S., you agree to any processing of any personal information you provide us according to this policy.

6. Will Kendall Hunt or Illustrative Mathematics communicate with me?

Kendall Hunt may communicate with you to inform you of products or services related to this website.

If you have opted in, Illustrative Mathematics may contact you via email newsletter or emailed blog posts.

7. Can this Privacy Policy be changed?

We may revise this Privacy Policy from time to time. Use of information we collect is subject to the Privacy Policy in effect at the time such information is collected. You are bound by any changes to the Privacy Policy when you use the Website after such changes have been first posted, and it is your responsibility to check this agreement periodically for changes. If we make any material changes to this Privacy Policy, the date of the most recent revision will be indicated above and below. If you have any questions or concerns, please contact us at

Last revised: August 2022