To be honest it's pretty much hear say at this moment, but one can always hope. Personally I think Trump won't say this in public (well, twitter). It's not like he fears Scientologists, but I bet that the christian lobby will lean on him hard so not to open the door for removing the tax exempt status from any churche.
SOURCE: http://thehill.com/blogs/blog-brief...scientology-should-lose-its-tax-exempt-status
SOURCE: http://thehill.com/blogs/blog-brief...scientology-should-lose-its-tax-exempt-status