Ill. Admin. Code tit. 23, § 1507.110
b) Candidates who are 17 years of age will be granted an age exception approval under the following conditions:
1) A candidate previously enrolled in a public or private high school must provide a withdrawal letter from the candidate's former high school.
A) Withdrawal letters must:
2) If a withdrawal letter cannot be provided by the former high school, or the candidate was otherwise not enrolled in high school prior to the candidate's HSE test date, the candidate must provide documentation from the local school district or Regional Office of Education serving the candidate's area of residence indicating the candidate is not currently enrolled, or required to be enrolled, in a public or private high school in the candidate's local school district. The withdrawal letter must:
3) A homeschooled candidate must provide documentation either from the local school district or Regional Office of Education serving the candidate's area of residence indicating the candidate is not currently enrolled, or required to be enrolled, in a public or private high school in the candidate's local school district or from the relevant homeschooling association or program stating the candidate's program has been completed.
A) Documentation from the local school district or Regional Office of Education must:
B) Documentation from the homeschooling association must:
4) A candidate is a student participating in a competency-based high school graduation requirements pilot program authorized by the Illinois State Board of Education. Documentation must be received directly from the program and must:
c) Candidates who are 16 years of age will be granted an age exception approval under the following conditions:
1) A candidate is currently enrolled in the Illinois National Guard's Lincoln's Challenge Academy. Documentation must be received directly from Lincoln's Challenge Academy and must:
2) A candidate is a student participating in a qualified alternative learning opportunities program (105 ILCS 5/13B) offering academic, behavioral, and social/emotional interventions designed to increase the candidate's academic achievement or a regional safe schools program (105 ILCS 5/13A) serving expulsion-eligible and suspension-eligible students authorized by the Illinois State Board of Education. Documentation must be received directly from the program and must:
d) Candidates are required to provide valid government-issued photo identification on all testing days and for all transcript reviews when using the Transcript-Based Alternative Method of Credentialing in Section 1507.200.