- Tue, January 10, 2023 Last Day to Withdraw - Winter Session Classes
- Thu, January 12, 2023 Winter Session Classes End
- Mon, January 16, 2023 Martin Luther King Jr. Day - Offices Closed
- Tue, January 17, 2023 Spring Semester Begins
- Wed, January 18, 2023 Trinity College of Nursing & Health Sciences Transfer Visit
- Wed, January 18, 2023 President Reilly's Annual Hot Cocoa Social
- Wed, January 18, 2023 Virtual Q & A Workshop, Innovation Grants, What You Need to Know
- Thu, January 19, 2023 Home Away From Home (HAFH) Meet & Greet
- Mon, January 23, 2023 Vivid Interlacing by Eboni Bellott Art Show
- Wed, January 25, 2023 CANCELED - OSF College of Nursing Transfer Visit
- Fri, January 27, 2023 Midterm - First 4-Week Classes
- Fri, January 27, 2023 "Vivid Interlacing" Show Reception
- Fri, February 03, 2023 Spring Play Auditions
- Mon, February 06, 2023 Northern Illinois University ROTC Transfer Visit
- Tue, February 07, 2023 Paint the House Red
- Wed, February 08, 2023 Last Day to Withdraw - First 4-Week Classes
- Wed, February 08, 2023 Knox College Table Visit
- Fri, February 10, 2023 First 4-Week Classes End
- Fri, February 10, 2023 Midterm - First 8-Week Classes
- Mon, February 13, 2023 12-Week Classes Begin
- Mon, February 13, 2023 Second 4-Week Classes Begin
- Tue, February 14, 2023 ImpactLife Blood Drive
- Tue, February 14, 2023 Loving Yourself Unconditionally
- Tue, February 14, 2023 Basketball Sophomore Night
- Wed, February 15, 2023 Student Clubs & Services Fair
- Mon, February 20, 2023 Explore Sandburg Open House
- Tue, February 21, 2023 PICU Fair
- Wed, February 22, 2023 Midterm - 11-Week Classes
- Wed, February 22, 2023 Black History Month: Soul Food Tasting
- Thu, February 23, 2023 CANCELLED - Trinity College of Nursing & Health Sciences Transfer Visit
- Thu, February 23, 2023 Secret Cinema
- Fri, February 24, 2023 Midterm - Second 4-Week Classes
- Mon, February 27, 2023 Western Illinois University Table Visit
- Tue, February 28, 2023 Trinity College of Nursing & Health Sciences Transfer Visit
- Fri, March 03, 2023 Last Day to Withdraw - First 8-Week Classes
- Tue, March 07, 2023 Last Day to Withdraw - Second 4-Week Classes
- Tue, March 07, 2023 Bowling Night
- Wed, March 08, 2023 Knox College Table Visit
- Wed, March 08, 2023 Fill the Box
- Thu, March 09, 2023 First 8-Week Classes End
- Thu, March 09, 2023 Midterm - 16 Week Classes
- Thu, March 09, 2023 Second 4-Week Classes End
- Thu, March 09, 2023 CANCELLED - Iowa Wesleyan University Transfer Visit
- Thu, March 09, 2023 Fill the Box
- Fri, March 10, 2023 Spring Break - No Classes
- Fri, March 10, 2023 Spring Break - Campus Closed
- Mon, March 20, 2023 Second 8-Week Classes Begin
- Mon, March 20, 2023 Third 4-Week Classes Begin
- Mon, March 20, 2023 Western Illinois University Table Visit
- Tue, March 21, 2023 Quincy University Table Visit
- Tue, March 21, 2023 Southern Illinois University - Edwardsville Table Visit
- Mon, March 27, 2023 Methodist College Transfer Visit
- Mon, March 27, 2023 Scribe America Recruitment Table
- Tue, March 28, 2023 Last Day to Withdraw - 11-Week Classes
- Thu, March 30, 2023 POSTPONED - Spring Play "The Tragedy of Othello, Moor"
- Fri, March 31, 2023 Midterm - 12-Week Classes
- Fri, March 31, 2023 Midterm - 3rd 4-Week Classes
- Fri, March 31, 2023 POSTPONED Annual Student Art Show
- Sat, April 01, 2023 Phi Theta Kappa Trivia Night
- Mon, April 03, 2023 Registration for Fall Classes Begin
- Tue, April 04, 2023 Sexual Assault Prevention - Raising Awareness
- Tue, April 04, 2023 Knox College Table Visit
- Wed, April 05, 2023 OSF College of Nursing Transfer Visit
- Wed, April 05, 2023 Career Expo
- Thu, April 06, 2023 11-Week Classes End
- Thu, April 06, 2023 Methodist College Transfer Visit
- Tue, April 11, 2023 Paint the Field Red
- Wed, April 12, 2023 Last Day to Withdraw - Third 4-Week Classes
- Fri, April 14, 2023 Midterm - Second 8-Week Classes
- Fri, April 14, 2023 Third 4-Week Classes End
- Fri, April 14, 2023 Student Art Show Reception
- Mon, April 17, 2023 Fourth 4-Week Classes Begin
- Tue, April 18, 2023 Quincy University Table Visit
- Wed, April 19, 2023 Be Well to Lead Well
- Thu, April 20, 2023 CTE Signing Day
- Thu, April 20, 2023 Automotive Shop Ribbon Cutting
- Thu, April 20, 2023 Spring Play 'The Tragedy of Othello, Moor'
- Fri, April 21, 2023 Spring Play 'The Tragedy of Othello, Moor'
- Sat, April 22, 2023 Spring Play 'The Tragedy of Othello, Moor'
- Sun, April 23, 2023 Spring Play Matinee "The Tragedy of Othello, Moor"
- Tue, April 25, 2023 Last Day to Withdraw - 16 Week Classes
- Wed, April 26, 2023 Spring Fest
- Fri, April 28, 2023 Midterm - Fourth 4-Week Classes
- Wed, May 03, 2023 Last Day to Withdraw - 12 Week Classes
- Thu, May 04, 2023 Last Day to Withdraw- Second 8-Week Classes
- Thu, May 04, 2023 Student Recognition and Awards Assembly
- Fri, May 05, 2023 Leap of Faith Choir Concert
- Sun, May 07, 2023 Sandburg Cruise-In
- Mon, May 08, 2023 Last Day to Withdraw - Fourth 4-Week Classes
- Tue, May 09, 2023 Summer Tuition Due
- Wed, May 10, 2023 Regularly Scheduled Classes End
- Thu, May 11, 2023 Emergency Day - No Classes Unless Necessary
- Thu, May 11, 2023 Walkway Construction
- Fri, May 12, 2023 Final Exams
- Fri, May 12, 2023 Walkway Construction
- Sat, May 13, 2023 Walkway Construction
- Sun, May 14, 2023 Walkway Construction
- Mon, May 15, 2023 Final Exams
- Tue, May 16, 2023 Graduation Rehearsal
- Thu, May 18, 2023 Graduation Transfer Degrees
- Thu, May 18, 2023 Graduation HLP/CTE Degrees & Certificates
- Mon, May 22, 2023 11-Week Summer Classes Begin
- Mon, May 22, 2023 3-Week Summer Classes Begin
- Mon, May 29, 2023 No Classes, Offices Closed - Memorial Day
- Wed, May 31, 2023 Midterm - 3-Week Summer Classes
- Wed, June 07, 2023 Last Day to Withdraw - 3-Week Summer Classes
- Fri, June 09, 2023 3-Week Summer Classes End
- Mon, June 12, 2023 8-Week Summer Classes Begin
- Mon, June 12, 2023 First 4-Week Summer Classes Begin
- Mon, June 12, 2023 Kids on Campus
- Tue, June 13, 2023 Kids on Campus
- Wed, June 14, 2023 Kids on Campus
- Thu, June 15, 2023 Kids on Campus
- Fri, June 16, 2023 Kids on Campus
- Mon, June 19, 2023 Juneteenth - No Classes, Offices Closed
- Fri, June 23, 2023 Midterm - First 4-Week Summer Classes
- Mon, June 26, 2023 Kids on Campus
- Tue, June 27, 2023 Kids on Campus
- Wed, June 28, 2023 Midterm - 11-Week Summer Classes
- Wed, June 28, 2023 Kids on Campus
- Thu, June 29, 2023 Kids on Campus
- Fri, June 30, 2023 Kids on Campus
- Tue, July 04, 2023 No Classes, Offices Closed - 4th of July Observed
- Wed, July 05, 2023 Last Day to Withdraw - First 4-Week Classes
- Fri, July 07, 2023 First 4-Week Summer Classes End
- Fri, July 07, 2023 Midterm - 8-Week Summer Classes
- Mon, July 10, 2023 Second 4-Week Summer Classes Begin
- Fri, July 21, 2023 Midterm - Second 4-Week Classes
- Wed, July 26, 2023 Last Day to Withdraw - 11-Week Summer Classes
- Wed, July 26, 2023 Last Day to Withdraw - 8-Week Summer Classes
- Wed, August 02, 2023 Last Day to Withdraw - Second 4-Week Classes
- Fri, August 04, 2023 11-Week Summer Classes End
- Fri, August 04, 2023 8-Week Summer Classes End
- Fri, August 04, 2023 Second 4-Week Summer Classes End
- Thu, November 23, 2023 Thanksgiving Break - No Classes/Offices Closed