The Network for Public Education is now legally constituted as two organizations.
The Network is a c(3), which means it is a charitable organization. Any donations are tax-deductible. Carol Burris is the executive director. It published the 50-state report judging states by their support for children, teachers, and public schools.

 

C3 Donation link:
http://networkforpubliceducation.org/about-npe/donate/

 

Or:
The Network for Public Education

PO BOX 150266

Kew Gardens, NY 11415-0266

 
The other organization is the NPE Action Fund. It is political. It endorses candidates and lobbies for legislative changes. Donations are not tax-deductible. It is recognized by the IRS as a c(4). Robin Hiller is the executive director.

 
Here is the snail mail address for the c(4):

 
NPE Action

P.O. Box 44200

Tucson, AZ 85733

 
Here is the donation page link:
http://npeaction.org/2016/02/19/donate/