What do Finnish parents do if they disagree fundamentally with the educational approach of the system (like they want to do Montessori or whatever). Is there h

What do Finnish parents do if they disagree fundamentally with the educational approach of the system (like they want to do Montessori or whatever). Is there homeschooling? Does everyone have to just suck it up and use the one public school? Do Fins just never disagree about what education should look like?