Kawaijuku Educational Institution is the Preparatory School for university entrance exams in Japan.
According to PR-model, kawai-juku.ac.jp is ranked 203,673rd in multilingual Wikipedia, in particular this website is ranked 14,514th in Japanese Wikipedia.
The website is placed before elaguilablanca.com.ar and after elfutbolero.com.mx in the BestRef global ranking of the most important sources of Wikipedia.