The NHSFFP website provides more information about their mission and history https://fairfundingnh.org/
They also offer a presentation to local communities, “School Funding and Property Taxes”, which helps explain how individual communities are affected by Statewide Education Property Tax (SWEPT). You may be aware of recent court decisions in November that impact how NH currently calculates adequacy and SWEPT. This is a link to a summary of those decisions by the New Hampshire Business Review. https://www.nhbr.com/judge-nh-school-funding-is-inadequate-unconstitutional/