Well there is a rumor going around that there will be a 4th season but that hasn't ben confirmed.
HOWEVER there will be an OVA sorta like an episode 75.5 it will air on Christmas.
If you are wondering how does this random guy know all of this here is where i got my info :http://anilist.co/anime/21235/KurokonoBasket:SaikounoPresentDesu
It's out on Daisuki now. I don't know what regions it is available from, but I know that I can't get it on Crunchyroll but I could still watch it here.
http://www.daisuki.net/anime/watch/KurokosBasketball3/SUc
If you make an account you can watch it in HD for free.
It's out on Daisuki now. I don't know what regions it is available from, but I know that I can't get it on Crunchyroll but I could still watch it here.
http://www.daisuki.net/anime/watch/KurokosBasketball3/SUc
If you make an account you can watch it in HD for free.