We have different HSGPA scales in our student information system. Is this a problem?

If you opt to include HSGPA as a predictor in an ACES Completion Study, the HSGPA values in your file should not be from very different grading scales (e.g., a mix of 4-point and 100-point grade scales). If your institution rescales HSGPA for admission, then it would be best to submit the rescaled HSGPA. If not and you are unable to align very different HSGPA scales to a common scale, then it would be best to not include HSGPA as a predictor, since such a mixed scale predictor can adversely impact model performance and results. Note: HSGPA is an optional variable in completion studies.