The following is a list of many outside funding options for students interested in pursuing public interest work during the summer. You can browse the list in table form here and download each list as a spreadsheet:
1) State and Local Government Positions
2) Non-Government Public Interest Positions
3) Firms that have summer programs that allow students to split summers between the firm and a public interest organization (and pay for the time)
4) Non-SFPIF grants that will fund public interest work
All deadlines are for the calendar year of 2011. Please visit the website listed for each position for the most recent information.