College freshman English teachers and high school sophomore English teachers reported the variables they use in grading; their responses were factor analyzed. Teachers' grading practices varied considerably, and knowledge of practices added to the ability of test scores to predict course grades. (Author/CTM)

The American College Testing (ACT) Program offers research services through which colleges can predict the freshman grades of their future students. This paper describes research done to establish a minimum sample size requirement for calculating least-squares prediction equations for college freshman grade average. Prediction equations were…