There are proposals from the Secretary of Education Betsy DeVos to expand the use of vouchers for private special education schools. The article from the New York Times illustrates the risks associated with such vouchers, namely, there is little accountability by the private special ed schools, and parents are required to give up their special education rights and safeguards.
Please read the April 11, 2017 New York Times article “Special Ed School Vouchers May Come With Hidden Costs” by Dana Gold