Make classroom expectations clear, engaging, and easy to follow with this Animal Voice Level Chart! This fun and visual noise meter uses friendly animal characters to represent different sound levels, ...

Silent Light – Classroom Timer and Decibel Meter is a new app from the folks at Top Storey Apps. It was written by a pair of teachers for teachers to use in the classroom or homeschool environment.

In the classroom, decibel levels can gradually increase without us realizing it, until they begin to affect the atmosphere: more difficult communication, nervous irritation, reduced concentration, etc ...