Well, the other students in Gryffindor would likely be a bit taken aback at first. But then, knowing Hermione's intelligence and her tendency to be different, they would probably accept it. They might be curious about how she's going to manage to keep up the charade. The Hufflepuffs would be generally kind and understanding, perhaps even offering to help her if she needs it. The Ravenclaws would be intrigued by the idea and might study her transformation from a more academic perspective. The Slytherins, as a whole, would be more likely to try and use her disguise against her, either by blackmailing her or trying to expose her in a way that would cause her and her friends embarrassment.
Kakashi would likely be amused by the whole situation. He might give Naruto some tips on how to blend in better as a girl, using his own knowledge of disguise techniques. Iruka would be more concerned about the reasons behind Naruto dressing as a girl and would make sure Naruto is comfortable with it. He would also be there to support Naruto if any of the other villagers had a negative reaction.
Ron would probably be extremely confused and might make some awkward jokes at first. But once he sees that Harry is doing it for Ginny and that it's all in good fun, he would likely come around and support it. Hermione, on the other hand, would be more accepting from the start. She might even offer some advice on how to make the cross - dressing more believable, like using magic to adjust Harry's voice to be more feminine. The other Gryffindor students would likely have a range of reactions, from laughter and amusement to those who are a bit more conservative and might be a bit taken aback at first.
Harry would probably be very surprised and a bit concerned. He's always been protective of Hermione, and this sudden turn of events with Draco would make him wonder what's going on. Ron would likely be more openly shocked and perhaps a bit jealous. He has had his own complicated feelings for Hermione over the years.
Harry would probably be very suspicious. He has always seen Draco as a bit of a bully and an enemy. He might think that Draco is up to something and try to warn Hermione to be careful. Ron, being more hot - tempered, could be quite angry. He might not understand how Hermione could even be in a situation where Draco kisses her. He might even lash out at Draco without really thinking about it. Ginny, on the other hand, might be more open - minded. She could see that there might be more to the situation than meets the eye and encourage Hermione to figure out her feelings before making any rash decisions.
Harry would probably be very confused at first. He knows Hermione is usually a rule - follower, so her wanting to be punished would seem out of the ordinary. He might try to talk her out of it, thinking there must be some misunderstanding. Ron, on the other hand, would be more straightforward. He'd likely say something like 'Hermione, you're mad!' and try to convince her that she doesn't deserve any punishment. The teachers, such as Professor McGonagall, would be taken aback as well. She would probably question Hermione carefully to understand her motives before deciding on any action.
Harry would be extremely shocked. He has always seen Snape as a complex figure, and Hermione capturing him would make him question a lot of things. He would likely try to get to the bottom of it and mediate between Hermione and Snape if possible.
Harry would probably be very confused at first. He knows Hermione is usually so studious and responsible. He'd likely try to talk to her to find out why she did it. Ron, on the other hand, might be a bit more blustery. He'd probably say something like 'Hermione, what were you thinking?' and be quite shocked. The professors would be disappointed and would likely call her in for a stern talking - to, as Hermione has always been a model student.
They would probably be very shocked. Hermione might be disapproving at first, thinking it's a strange Muggle influence. Ron would likely make a joke about it, like 'You look like a wizard Sith, Harry!'. Dumbledore, on the other hand, would be more intrigued and see it as Harry exploring different identities, perhaps even relating it to Harry's journey of self - discovery.
Harry would be extremely worried. He'd probably rush to her side immediately and try to do whatever he can to help. He might blame himself for not being there to protect her. Ron, on the other hand, would be in a state of shock at first and then would try to use his humor to lighten the situation a bit while still being very concerned. Hagrid would be devastated. He sees Hermione as one of his students he cares about, and he'd likely bring some sort of magical creature - related remedy, thinking it could help.
Ron would probably be shocked. He always looks up to Hermione as the one who follows the rules. He might try to defend her at first, but then realize she was in the wrong. Harry, on the other hand, would be more understanding. He knows that sometimes there are more important things than just following the rules blindly.