(i) Remove: a division in a school
(ii) slackers: unmotivated and lazy students
(iii) muck: useless, of no practical good
(iv) kept in: grounded, detained, work after the official school hours
(v) got carried away: to get very excited or lose control of your feelings due to strong emotions.
(vi) cut: escape, go away without permission.
(vii) sadist: a person who gets pleasure out of inflicting pain to others
(viii) shrivelled up: having no feelings
