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State of Illinois High School Diploma (GED®/HISET®) FAQ

Find what you need in our searchable FAQ.

How long will it take to prepare for the GED or HiSET exams?


Many factors affect the time it takes to prepare, including the students’ reading, writing, and math skills, motivation, and time available for classes and studying.


Adult Basic Education Center

Building K, Room K100
Fax: 847-931-3919