DYK #7: Accountability model estimates of school performance vary a good deal from one student cohort to another. Without careful scrutiny, these changes in cohort composition may be misinterpreted as changes in school performance
Stevens, J. J., Nese, J. F. T., Schulte, A. C., Tindal, G., Nedim, Y., Anderson, D., Matta, T., & Elliot, S. N.