Apple has set up a donation program with Teach for America. You can donate your old iPad or purchase and donate a new iPad at an Apple Retail Store. The Apple specialist will give you a confirmation letter from Teach for America acknowledging your donation.Teach for America will then give you iPad to a teacher in a low-income community, who will use it to provide better learning opportunities to students.
According to the Teach for America web page:
Teach For America is the national corps of outstanding recent college graduates who commit two years to teach in urban and rural public schools and become lifelong leaders in expanding educational opportunity. Today, more than 8,200 corps members are teaching in 39 regions across the country, while 20,000 Teach For America alumni continue working from inside and outside the field of education for the fundamental changes necessary to ensure educational excellence and equity. Learn more, sign up for information about joining the corps, or donate to Teach For America.
If you were trying to figure out what to do with your old iPad, this may be the program for you.