There's not many studies on school quality that give Loy Norrix High School an "A" and Schoolcraft High School a "D."
But that's the results of a statewide analysis by the Mackinac Center for Public Policy, a Midland-based (conservative) think-tank.
study aims to create an more accurate apples-to-apples comparison of
school performance by using a regression analysis that compares test
scores to the percentage of students participating in the federal
subsidized lunch program.
"Comparing a school's standardized
test scores to those of other schools is one approach to measuring
effectiveness, but a major objection to this method is that students'
test scores tend to be relative to students' socioeconomic status --
family household income, for example, or parents' educational
background," said the study. "These factors, however, are outside a
"... This disparity is a major -- and
legitimate -- reason many people resist the idea of comparing schools
solely on test scores," the study says. "One school may outperform
another simply because its student population has a higher average
socioeconomic status, not because the school is better at educating
students. With this report card, we adjust the performance of a school's
student on standardized tests to recognize the school's socioeconomic