If you're not in control of the routing or other connection hardware then it's probably something to ask them. I don't know the situation, but it's common for schools to default to blocking incoming connections. Hosting eats bandwidth and is often abused or mismanaged. If it were my wire I'd require a written agreement and your first born child. 
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There are a vast number of people who are uninformed and heavily propagandized, but fundamentally decent. The propaganda that inundates them is effective when unchallenged, but much of it goes only skin deep. If they can be brought to raise questions and apply their decent instincts and basic intelligence, many people quickly escape the confines of the doctrinal system and are willing to do something to help others who are really suffering and oppressed." -Manufacturing Consent: Noam Chomsky and the Media, p. 195
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