The Utrecht Summer School does not offer scholarships.
Still, for some of our courses, the course director is able to grand scholarships. If this is the case, this is clearly stated on the web page of the particular course. On the course page you can also find out how to apply for the scholarship.
On https://www.studyinholland.nl/scholarships/find-a-scholarship you might be able to find more scholarships for other (Utrecht Summer School) courses in the Netherlands.