
There is a debate about the validity of school grades. There are reasons to think twice about releasing the 2015 results. School grade formulas change regularly, so it is difficult to know whether the grading formula, the characteristics of the student body, and/or statewide test results have the greatest impact on a school grade. The school grade formula will change again this year. In addition, the grading system has a new set of challenges.
What will happen with the new school grade system that calculates achievement gains based on scores from two different tests: FCAT and FSA? Even if the passing standard is equated to ensure the same percentage of students pass, it does not mean that students are proficient on the new standards. It means that school grades will move around until the DOE matches the items with the standards as suggested in the FSA validity study.
I looked at Palm Beach’s school grades over the last five years. Grades in most schools shift from one year to the next. This cannot be due to changes in instruction! Then, I looked at how grades were calculated. Therein ‘lies the rub’.
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