Quantity Discounts
We offer a discount on select products when you purchase 25 copies or more. Discounts are automatically applied at checkout.
Credit Card Payments
For payment by credit card, we accept Visa, MasterCard, Discover and American Express. Proceed to checkout to enter your card information.
Shipping
Due to an influx of orders, you may experience delayed processing times up to 10 business days. You will receive tracking information once your order has shipped.
Create an Account
Our secure account management system allows you to save and manage all of your purchasing information to make the checkout process quick and easy next time.
Purchase Orders
Submit a purchase order from your school or school district during checkout.
International Customers
International shipping is not available. Shipping addresses are limited to the United States.
Returns
We are dedicated to providing you with high-quality materials and customer service. Before purchasing Core Knowledge® materials, please review our returns policy.
Contact Customer Support
Our customer service team is happy to answer questions about ordering from the Core Knowledge store, an existing order, returns, and more. Reach out using our online form.