Illinois Class A Felony Guide

Illinois Class A Felony Guide – Ranges, Release Rules & Offense List

Illinois doesn’t use the term “Class A felony.” Instead, it categorizes felonies into Class 4 through 1, followed by Class X at the top. These are the top-tier offenses under Illinois law—cases often involving extreme violence, serious harm, or weapons.

Illinois Felony Classification Overview

Illinois criminal law divides felonies into five categories:

• Class 4
• Class 3
• Class 2
• Class 1
• Class X

Class 4 felonies are the least severe, while Class X felonies are the most serious. First-degree murder is charged separately and isn’t included in the numbered classes.

If you’re hearing the term “Class A felony,” that probably means Class X. These charges carry long sentences and limited options for release.

Class X Felony Sentencing Range and Release Rules

The sentencing guidelines for Class X felonies are:

• Mandatory minimum: Six years
• Maximum: 30 years
• Extended term (based on prior convictions or aggravating factors): Up to 60 years
• Fines: Up to $25,000

Probation is not available. A judge must impose a prison sentence if you’re convicted.

Class X felonies are also subject to truth-in-sentencing laws, depending on the offense. That means you may not be eligible for day-for-day credit. Day-for-day credit is a sentencing policy in Illinois that allows people in prison to earn one day off their sentence for every day of good behavior or program participation. In simple terms, it means you could serve only half of your original sentence.

Instead, you will likely have to serve 85% to 100% of the sentence. Here’s how it works:

• 85% rule: Applies to most violent crimes (such as armed robbery or aggravated battery with a firearm).
• 100% rule: Applies to crimes like predatory criminal sexual assault of a child or aggravated criminal sexual assault.
• Day-for-day credit (50%): This is not available in most Class X cases.

With a Class X felony, you’re subject to mandatory minimum sentences and truth-in-sentencing restrictions unless you beat the charge or reduce it.

Examples of Class X Felonies

Common Class X felonies include:

• Aggravated arson
• Aggravated battery of a child
• Aggravated battery with a firearm
• Aggravated criminal sexual assault
• Aggravated kidnapping
• Aggravated vehicular hijacking
• Armed robbery
• Home invasion
• Possession of a controlled substance with intent to deliver 
• Predatory criminal sexual assault of a child

Extended-Term Class 1 Felonies Confused for Class X

In some cases, Class 1 felonies can carry prison terms up to 30 years if there are aggravating factors like prior convictions. That’s part of why people confuse them with “Class A” or Class X felonies.

Examples of Class 1 felonies include:

• Criminal sexual assault
• Second-degree murder
• Aggravated robbery

Some Class 1 felonies allow for probation. However, once a weapon or serious injury is involved, that option usually disappears.

Collateral Consequences of a Class X Felony

Even if you serve your time, a conviction for a Class X felony can follow you for the rest of your life. You may:

• Lose firearm and voting rights
• Be required to register as a sex offender
• Face immigration consequences if you’re not a U.S. citizen
• Struggle to get housing, employment, or professional licenses
• Be labeled a “habitual offender” and face mandatory life if convicted again

Expungement or sealing is almost never available for Class X convictions.

Discuss Your Case With an Experienced Criminal Defense Team Today

If you’ve been charged with what someone is calling a “Class A felony” in Illinois, be aware that that’s not a formal legal term—but the consequences are still serious. You need a defense team with the experience to defend against complex Class X or Class 1 charges. Contact the Law Office of Stephen L. Richards to discuss your case today.

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