One effective option is Whisper Walls. These are designed to absorb sound and block unwanted noise. They can be added to walls, partitions, or ceilings without taking up much space.
https://www.rumorcircle.com/blogs/196564/Whisper-Walls-Acoustic-Solutions-for-Schools-Colleges-Offices
https://www.rumorcircle.com/blogs/196564/Whisper-Walls-Acoustic-Solutions-for-Schools-Colleges-Offices
One effective option is Whisper Walls. These are designed to absorb sound and block unwanted noise. They can be added to walls, partitions, or ceilings without taking up much space.
https://www.rumorcircle.com/blogs/196564/Whisper-Walls-Acoustic-Solutions-for-Schools-Colleges-Offices