Solitary confinement

[Becky]

when [one is] put into a area where one does not make normal [levels] of social [contacts] with other people

[Sommer]

You searched up [solitary].
Did you mean [School]?
Or School?
[Did I] mention School?

[Ernesto]

Being [stuck] by yourself either by force or by your own [volition]. [Heaven] to introverts, and hell to extroverts.

[Rihanna]

a punishment in which someone is kept in a room alone, usually in a prison