This would be a type 04 certification in Illinois which grants the licence to teach from birth to age 8.
You must meet the following requirements:
Have a minimum of a bachelor’s degree from an accredited and Type 04 Certified college or university.
Pass the ICTS Test of Academic Proficiency followed by two other tests:
Illinois Early Childhood Content Knowledge.
Assessment of Professional Teaching (APT) test.
Complete student teaching requirement(s).