How “exclusive” is an inclusive teacher?

As a result of a social shift, which was confirmed by Belgium in the ratification of the UN Convention on Persons with Disabilities (2009), education, among other things, is being encouraged to evolve towards a more inclusive setting.
What is inclusive education?
What is expected of the school and its teachers?
Link: http://mediatheekpuntbps.weebly.com/special-inclusief-onderwijs.html