The Act of the Establishment of Juvenile Reformatory Schools and Enforcement of Education Article 70

The management of student accommodations shall employ classes as the range. Students shall live together with different categories. With regard to those who are under twelve (12) years old, the accommodations shall be family type in principle. Students of detention and students of imprisonment shall live separately.Where a Student above age of twelve (12) seriously violates the group living rules, he/she may live individually. The duration of individual living shall not exceed five (5) days each time.
中文原文 少年矯正學校設置及教育實施通則第70條
學生之住宿管理,以班級為範圍,分類群居為原則;對於未滿十二歲學生之住宿管理,以採家庭方式為原則。
執行拘役之學生,應與執行徒刑之學生分別住宿。
十二歲以上之學生,有違反團體生活紀律之情事而情形嚴重者,得使獨居;其獨居期間,每次不得逾五日。

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