Self-guided test prep for AP Microeconomics and AP Macroeconomics students

Privacy Policy

Who we are

Cooper Developers, Charlottesville, VA manages this website. You can contact us at

Terms & Conditions

You must be 13 years or older to use this site.

What personal data we collect and why we collect it


If you upload images to the website, you should avoid uploading images with embedded location data (EXIF GPS) included. Visitors to the website can download and extract any location data from images on the website.


If you are a registered user of our site you may opt-in to saving your name, email address and website in cookies. These are for your convenience so that you do not have to fill in your details again when you leave another comment. These cookies will last for one year.

If you visit our login page, we will set a temporary cookie to determine if your browser accepts cookies. This cookie contains no personal data and is discarded when you close your browser. We also set cookies that help us track your progress toward Shiai mastery and prevent cheating.

When you log in, we will also set up several cookies to save your login information and your screen display choices. Login cookies last for two days, and screen options cookies last for a year. If you select “Remember Me”, your login will persist for two weeks. If you log out of your account, the login cookies will be removed.

Embedded content from other websites

Content on this site may include embedded content (e.g. videos, images, articles, etc.). Embedded content from other websites behaves in the exact same way as if the visitor has visited the other website.

These websites may collect data about you, use cookies, embed additional third-party tracking, and monitor your interaction with that embedded content, including tracking your interaction with the embedded content if you have an account and are logged in to that website.


Currently, Google Analytics is not installed

Progress on Shiais

We save and track your progress on all practice games on this site. This data is stored in different tables than your personal data but does use an key to match your data to your progress. We also track the data you achieve mastery on each skill, as shown to you on the Juruken page.

Who we share your data with

Cooper Developers only shares your data with the teacher that signed you up for this site. We never share or sell your data to third parties.

How long we retain your data

For users that register on our website (if any), we also store the personal information they provide in their user profile. All users can see, edit, or delete their personal information at any time (except they cannot change their username). Website administrators and your teacher can also see and edit that information.

What rights you have over your data

If you have an account on this site, or have done ninja practice games, you can request to receive an exported file of the personal data we hold about you, including any data you have provided to us. You can also request that we erase any personal data we hold about you. This does not include any data we are obliged to keep for administrative, legal, or security purposes.

Where we send your data

Your data is not shared with any other third parties and is not used for marketing purposes. Our servers are located in New York City, NY, USA. Data does not transfer across the US border.