Get their parents involved.
Be a nuisance until the problem is fixed.
If the kids don't care about in-class consequences, make there be consequences out of class.
: Greetings YB,
: I have an epidemic lately of students not
: having their instruments (for whatever
: reason) in my 7th/8th grade ensemble.
: Docking points (20/day) from their weekly
: grade does not seem to be effective. What
: other solutions have you had for students
: that have worked for you? I am all ears.