The Illinois attendance ladder in plain words — the triggers, who acts next, and what a parent should put in writing at each step.
Compulsory attendance: ages 6 to 17 (105 ILCS 5/26-2a).
The triggers: Truant at more than 1% but under 5% of the past 180 school days without valid cause (≈2–8 days); chronic truant at 5% or more (≈9 days).
Mental-health absences: Illinois gives up to 5 mental or behavioral health days a year with NO medical note, make-up work guaranteed; after the second day your child may be referred to school support personnel (§26-1, P.A. 102-0266).
Parent exposure, honestly: Parent: Class C misdemeanor, up to 30 days and/or $500 (§26-10) — and it requires BOTH that you were given notice AND that you knowingly and willfully permitted the truancy. A parent who can document effort is missing an element. And §26-12: no punitive action against a chronic truant until supportive services have been provided.
Rules checked October 2026 — every rule on this page is cited to its source. Verify day counts against your district's official calendar.
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