The Act of the Establishment of Juvenile Reformatory Schools and Enforcement of Education Article 52

The General Teaching Department of a Reformatory School has two (2) semesters each year, and the Special Teaching Department has four (4) semesters each year. Each semester shall last three (3) months.
中文原文 少年矯正學校設置及教育實施通則第52條
矯正學校之一般教學部為一年兩學期;特別教學部為一年四期,每期以三個月為原則。

English translation for reference only; the Chinese text prevails. Not legal advice.