The correct answer is - Students have rights to free speech, but they may face limits based on educational concerns.
All students have their own rights, at least on paper - they can speak their mind, tell everyone what they're thinking, however, only within the boundaries of their own 'educational concerns.' Sometimes speaking your own mind can lead you into a lot of trouble - that's why students usually tend not to practice their free speech if there are severe repercussions when it comes to their education.
The structure of government under the Articles of Confederation is well explained by the Articles of Confederation gave more power to bigger states than to smaller states.
The United States system is well driven by the set of rules and principles set by the legislatures who are always providing the best of knowledge to enhance the states capacity to cope with different situations across time and generations.