A 3-ring binder with four distinct, and clearly identifiable sections:

• Section 1: Most recent material. Handouts, miscellaneous note, etc. Things that have yet to be organized.
• Section 2: Past daily work (homework that has been checked).
• Section 3: Past test, quizzes, etc. ... with corrections.
• Section 4: Materials that have been handed out in class (Frequently organized materials from Section 1.)
  Your notebook should
  ... always be brought to class.
  ... always be neat and well-organized.
  ... have your name on the cover.
  ... be clearly indexed (four sections.)