It’s difficult to compare state student achievement data because demographics vary greatly. In Georgia, for example, 60 percent of students are deemed “low income,” while only 40 percent of Pennsylvania’s students are low income. Many people argue that comparing these states without adjusting for these demographics is very unfair. So how would Georgia compare if you adjusted for demographics?
The Urban Institute has the answer in their recently published study
. The study “adjusts the relative performance of each state for the following rich set of student level factors: gender, race and ethnicity, eligibility for free or reduced-price lunch, limited English proficient, special education, age, whether the student was given an accommodation on the NAEP exam (e.g., extra time or…