Ill. Admin. Code tit. 23 § 425.5
"Design Professional" means an architect licensed to practice in Illinois under the Illinois Architecture Practice Act of 1989 [225 ILCS 305 ], an engineer licensed to practice in Illinois under the Professional Engineering Practice Act of 1989 [225 ILCS 325 ], or an engineer licensed to practice in Illinois under the Structural Engineering Practice Act of 1989 [225 ILCS 340 ]. A design professional must be knowledgeable about the local building codes applicable to the school.
"School" means a nonpublic elementary or secondary school as defined in 105 ILCS 5/2-3.25o.
"School Code" or "Code" means 105 ILCS 5.
"State Board" means the State Board of Education.
"State Superintendent" means the State Superintendent of Education.
Ill. Admin. Code tit. 23, § 425.5