Let's hope it's not a lot.
25%in America watch Football
Assuming the population of the world is 8 billion, and that around 60-70 million people watch anime. Around 0.875 % of the world watches anime. Something you have to realize is that anime only airs on TV in Japan, and only absurdly popular anime gain English dubs for being aired in the Western world. People that watch English subbed anime only number upto 500-700 hundred thousand on an average.
If you wanna binge watch anime, I'd suggest Kiss anime.
You can watch it at any popular anime streaming website such as Gogo anime.
Unfortunately no anime
a get-together to watch anime
Anime, anime, everythang anime, bag anime, watch anime.. And it goes on and on.
They watch anime
You can watch the anime series Bleach on the site Go Go Anime. You can also watch Bleach on Anime Crazy.
You could try Crunchy roll, anime freak, and gogo anime.
There is evidently no data to determine specifically how many "students" watch anime.
The Anime Network , or Hulu.com