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Quantity Discounts
We offer a discount on select products when you purchase 25 copies or more. Discounts are automatically applied at checkout.
Purchase Orders
Submit a purchase order from your school or school district during checkout. You can also fax your purchase order to (434) 977-0021.
Credit Card Payments
For payment by credit card, we accept Visa, MasterCard, Discover and American Express. Proceed to checkout to enter your card information.
International Customers
International shipping is not available. Shipping addresses are limited to the United States.
Shipping
Please be aware that, as of May 1st, our shipping rates have changed. We encourage you to calculate shipping in your cart above.
Returns
We are dedicated to providing you with high-quality materials and customer service. Before purchasing Core Knowledge® materials, please review our returns policy.