The Assault 2022 one on netflix

Masked figures with machine guns march into the secondary school in Karatas, take the pupils hostage, and execute one of them. They make no demands. Silent terror is their modus operandi. Seeing as the army will take two days to arrive due to a snowstorm, maths teacher Tazshi decides to assemble his own assault team: his ex-wife, the gym teacher, the cowardly school principal, an alcoholic night watchman, the village idiot, and an incompetent chief of police.