Because it’s not just class rooms, although those are places you want them to be at their peak. It’s just the easiest to consistently test. Additionally, with

Because it’s not just class rooms, although those are places you want them to be at their peak. It’s just the easiest to consistently test. Additionally, with how severely under funded education is, you’re not going to get much effective sound proofing. Most classrooms can’t even afford regular maintenance.