Compare nonprofits
Put up to four organizations side by side: revenue trajectories and key financials from their IRS filings.
Put up to four organizations side by side: revenue trajectories and key financials from their IRS filings.
Comparing Astronomical League and International Society of Photosynthesis Research side by side on financial grade, revenue, program efficiency and reserves — all from public IRS Form 990 data. CharityIndex grades Astronomical League B and International Society of Photosynthesis Research B.