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Your donation to nonprofit CAST supports our work with teachers and students, colleges and universities, states and districts—making you a partner with CAST until learning has no limits!

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Mail Donations

200 Harvard Mill Square, Ste 210
Wakefield, MA 01880

All contributions to CAST are tax-deductible. CAST is recognized by the IRS as a 501(c)3 charitable organization.

Amazon Donations

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As a participating charity, CAST receives 0.5% of every eligible online purchase. Log into your Amazon account at and choose CAST, Inc. in Wakefield, MA. Learn more about AmazonSmile.