Traditions at Azabu are liberal and magnanimous; there are no established school rules that students are required to adhere, and there is no "study-compelling" atmosphere.

Azabu was founded by Soroku Ebara, a Japanese educator in the transitional period of Japan, in 1895.

Toyo Eiwa was affiliated with the Methodist Church of Canada and due to the rise of nationalism in Japan, the school was suffering from a low enrolment.

The school initially offered classes at the Toyo Eiwa Theological Seminary but it relocated to the current location in 1890 when Toyo Eiwa Theological Seminary was driven into a permanent closure due to a low enrollment.

Although they are separate entities, Azabu has been managed as a single school that teaches pupils between seventh and twelves grades.

These written exams are typically conducted on the first day of February annually on Azabu's campus.