http://www.morfon.com/inkjet-recycling-company/

What is the most profitable inkjet recycling program for schools?
We have a new school and want to recycle inkjet cartridges to raise money. What is the most profitable company to use?
I’d recommend Castle Ink’s program – they offer up to $4 per cartridge. Here is a link to more info:
http://www.castleink.com/_recycle-ink-cartridges.html
David Gross’s Tip #13: Recycling Your Printer’s Ink Tank