Just because they laugh and make fun of a program does NOT mean that it wasn't effective. As a high school teacher, I see this daily. Kids do not want to show emotion around their peers. Call it a form of peer pressure.
I have also found that if you involve those very kids who laugh or make fun of something, it can be much more effective. Pick the absolutely most popular kids to use.
We did the random pick "day of the dead" thing and it shook up some kids. You pick kids randomly and take them out of class. They didn't return and no one knew what happened to them. Teachers played along by calling the office and asking where the kids were. At the end of the day, it was revealed.
Know that what you do is important. Some of us really appreciate what you do to help young people.

Don't get discouraged.
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The fullness of our heart is expressed in our eyes, in our touch, in what we write, in what we say, in the way we walk, the way we receive, the way we need. -Mother Teresa (
RIP Gizmo 3/9/07-8/18/12)