Website: http://www.british-ca.co.jp/
The British Culture Academy Wholeday School, in Saitama, is based in Kawaguchi, Saitama.
BCA is a small school that runs a programme, catering for 2 year olds through kindergarten age, which places emphasis on teaching quality and the welfare of the teacher. All teachers are supported in their work by bilingual Japanese support staff.
The school provides a total English immersion education and the programme includes the study of Math (number), World culture (world culture), Science (science), and Music (music), in addition to English lessons. A dedicated Art classroom with art lessons by a special lecturer, and there are a gymnastics and swimming classes as well.
EDUCATION IN JAPAN COMMUNITY Blog 
Bad, bad place!
I feel sorry for those kids, very bad company. 😦
Terrible place. Tyrannical owner. Poorly trained instructors, many of whom English is not their first language and have no teaching experience.