It must be with good punctuation and grammar.
Detention aims to make a discipline among the students who break rules and policies in school.
It is been said that if a student violates or breaches a policy or rule must be taken for such disciplinary action as it would serve as a consequence for a certain undesirable act. It would be considered that detention instills self-realization that is beneficial to the student's development and learning.
The right answer is alternative three.
In the excerpt from "Little Women," the conversation between Amy and Aunt March's maid conveys that Esther is a devout Catholic. First she admits she is indeed a good Catholic when Amy looks at the rosary. Then she explains to Amy that the saints would be contented if the rosary were used to pray, rather than using it as a vain necklace.
Seems pretty good, I don't see a problem with your answers.