Never. Healthy rabbits don't need baths: they clean themselves. If your rabbit needs a bath, something is wrong -- dirty rabbits are not normal! Maybe you need to keep its cage cleaner. Maybe you need to bunny-proof your home better so the rabbit doesn't get into messy things. Or, the problem could be medical -- maybe your rabbit is sick. See the related question below for more details.
You don't want to bathe any rabbit
No! You should never bathe your rabbit. If you notice that they tend to clean themselves. If you bathe a rabbit it could make them sick or die.
You dont bathe a rabbit, they clean themselves. If your rabbit needs cleaning, something is wrong! You need to clean the rabbit, but you shouldn't ignore the cause of the problem -- probably, you should bring the rabbit to a vet. If you need to clean your rabbit, you must be VERY careful, because baths can be very dangerous for rabbits. See the related question below for more details and helpful links.
Baths can be dangerous for rabbits. Healthy rabbits, including outside ones, keep themselves clean and don't require baths. If your rabbit needs a bath, something is wrong -- either the rabbit is sick and needs a vet, or you should improve the rabbit's living conditions. If you need to bathe a rabbit, follow certain precautions to keep the rabbit safe. See the related question below about bathing rabbits for details and link -- it applies to outside rabbits as well.
an adult should bathe everything he or she feels dirty or stinks
Rabbits mostly clean themselves. You should groom your rabbit regularly (see the related link below for more details), but you shouldn't have to bathe her or seriously clean her. If your rabbit is dirty, something is wrong! If you need to bathe your rabbit, not only should you follow specific procedures so that you don't hurt the rabbit, but you must also find out what's wrong -- probably, this means you need to see a vet. See the related questions below for more details.
It's not a good idea to bathe a rabbit with fur loss. Whatever is causing the fur loss, a bath could make it worse and really irritate the skin. If your rabbit is suffering from fur loss, something is very wrong! This is not at all normal for rabbits. Bring your rabbit to a special knowledgeable vet as soon as possible!
Baby Rabbits ??? What age? My recommendations would be NOT to give a baby rabbit a bath. I would not attempt to bathe a rabbit until they are at least 3 months old unless they have had diarrhea and have fouled their coat.
not very often
once a month
At least once daily
Healthy rabbits clean themselves and do not need baths. Baths can be dangerous for rabbits. Unless necessary, do not bathe your rabbit. If a bath is necessary, this means something is wrong and probably the rabbit needs to see a vet. If you need to bathe a rabbit, take certain precautions to make ensure you keep the rabbit safe. See the related question below for details and links. Are you sure you're taking proper care of the rabbit? The classroom is not the ideal setting for a rabbit.