Here are some grant opportunities for agencies that will possibly help with tuition for groups. These resources were shared by another Kids Cooperate parent so if you have any questions let me know I can will connect you.
ACT Today they award grants on a quarterly basis. Next open application period is April 1 - 30, 2017. Decision would be made on June 15. You can apply online.
The Doug flutie foundation. Accept applications on an ongoing basis
United Healthcare Children's foundation. Accepts applications on an ongoing basis.
Department of developmental services.