Can be formal or informal. See link for formal. Informal - during lunch,place a cart near the garbage asking students to place unopened and unpeeled items they would normally be throwing away on it. Tally your results. Enter info on foodrescue.net  to learn environmental impact.

Meet with administration, cafeteria manager, volunteers, students and those interested in starting the program to review logistics and plan.

Once you've put everything in place, it's time to communicate program to students, parents, faculty and staff. Conduct  a student assembly or review procedures with students on morning announcements.