I applaud your enterprise. With the companies your organization has, there should be some financial help.
When you mentioned Dyslexia, I first thought of my brother in law who has the problem. I am not selling anything but he solved his problem with tinted glasses. I asked him about the glasses today while we had Mothers Day dinner. He said he investigated all avenues and found that it worked for about 30% of the people and he was one.
Go to Dogpile.com or if you are part of the lemming group, google Irlen Institute and check it out. If possible this could be a cheep solution to some of the children.