These numbers are the same as those of the Sangaku (study of mathematics) in the Kokushikan (educational ministry) of Tang Dynasty, China, which had one doctor as professor, two associate professors, and a few chokko (lecturers); while the Sando was smaller than the regular course, which had four hundred students, it is thought not to have been categorically in a low position during its early days, considering that the Tang's Kokushikan was larger than the Japanese Daigaku-ryo, and that the Tang's San hakase was put in the low position of Jukuhonge (Junior Ninth Rank, Lower Grade).
これは唐の国子監に置かれた算学と同数であり、教授として博士1名以外に助教2名及び複数名の直講が置かれて、学生も400名もいた本科と比べると小さいものの、唐の国子監の規模は日本の大学寮と比べて大きいこと、唐の算学博士は従九品下と低い地位に置かれたことを考えれば、設置当初の地位は一概に低いとは言えなかったとされている。