105 ILCS 5/13-43.11
Subject to the rules and regulations of the Department of Juvenile Justice and the laws and statutes applicable, the Board shall have the power and the authority to assign to schools within the district and to expel or suspend pupils for disciplinary purposes or to assign or reassign them as the needs of the district or the pupil shall be determined best. Once a student commences a course of training he shall attend all sessions unless restricted by illness, a reasonable excuse or by direction of the Department of Juvenile Justice or the facility at which he is located. Conferences shall be held at regular periodic intervals with the ward or the inmate and the school district authorities and facility officials shall determine the extent the ward or inmate is benefiting from the particular program, and shall further determine whether the said ward or inmate shall continue in the program to which he is assigned or be dropped from the same or be transferred to another program more suited to his needs or the school district's needs.
105 ILCS 5/13-43.11