What is a collective noun for the word rascals?

There isn't a single, universally accepted collective noun for "rascals." However, here are some options, depending on the context and the type of rascals you're referring to:

General:

* A band of rascals

* A pack of rascals

* A crew of rascals

* A gang of rascals

* A rabble of rascals

More specific:

* A brood of impish rascals (if they're mischievous children)

* A den of roguish rascals (if they're thieves or tricksters)

* A horde of mischievous rascals (if they're causing chaos)

Ultimately, the best collective noun will depend on the specific situation and the desired tone.