To compact effectively, you must have:
- A clear understanding of your curricular objectives
- Knowledge of which students have already mastered those objectives, or are capable of mastering them in less time.
It also helps to have some background information on the compacting process, and an idea of the pretest devices and alternative activities that you plan to use. Curriculum Compacting: The Complete Guide to Modifying the Regular Curriculum for High Ability Students provides in-depth coverage of the subject.