Why can sociologist James S. Colemans finding on Equality of Education Opportunity be controversial?

Question

Why can sociologist James S. Colemans finding on Equality of Education Opportunity be controversial?

Answer 1

Most sociologists might answer that the Coleman study was controversial because its research techniques could be challenged, but since all large sociological studies can be criticized in the same way, we can assume that it was controversial because it argued that the most important factor in a school's ability to teach its students is the social class of the students in the room. In other words, schools are less important than the social class of students' parents.