Welcome Illinois Science Olympiad

Science Olympiad is a co-curricular educational program that strives to ignite the passion for science, medicine, and engineering in young minds. With an unwavering commitment to fostering curiosity and critical thinking, it aims to nurture the potential of future scientists, health professionals, and engineers, shaping a brighter tomorrow.

Registrations will begin in August 15, 2025 for the 2025-2026 Season.

Congratulations Hamza

Congratulations to Hamza Amara from Naperville Central High School. Hamza is one of five SO USA Foundation proudly receiving the 2025 Founders’ Scholarship. Each exceptional student was honored for their academic excellence, community engagement, and participation in Science Olympiad, receiving $10,000 tuition scholarships. Congratulations to all! Read more about the scholars by clicking the link below.

Hamza Portrait

Tournaments

Division B - Middle School

12/10-13/2026
Rustin Invitational
12/13/2026
Marie Murhpy (Invite Only)
Marie Murhpy (Invite Only)
1/10/2026
University of Chicago
University of Chicago
1/24/2026
Rockford Christian Middle School
Cancelled
British International School of Chicago South Loop
British International School of Chicago South Loop
1/31/26
The Founders Invitational

Division B & C

10/4-11/2025
10/19-31/2025
11/1-8/2025
12/13/2025
1/31/2026
3/28/2026
Highlands Virtual Invitational
LASSO
Rickards
Raymond Park
Purdue Invitational (Indiana)
Medford Invitational

Division C - High School

11/1/2025
Niles West
Niles West
11/22/2025
Palatine
Palatine
12/13/2025
Neuqua Valley
Neuqua Valley
1/17/2026
University of Chicago
University of Chicago
1/24/2026
Crystal Lake Central H.S.
Crystal Lake Central H.S.
1/31/2026
Libertyville High School
Libertyville High School
2/21/2026
Northwestern University
Northwestern University
2/21/2026
LISI Invitational at McHenry County College
LISI Invitational at McHenry County College
2/28/2026
Loyola
Loyola

Regionals Division B & C

Stay tuned for more information.

2/21/2026
Western Illinois University

2/21/2026
Parkland College

2/28/2026
Waubonsie Valley

2/28/2026
Southwestern Illinois

3/7/2026
Harper College

3/7/2026
McHenry County College
3/14/2026
Chicago Public Schools

3/14/2026
College of Lake County

3/14/2026
College of DuPage

3/14/2026
Oakton College
3/14/2026
Rock Valley/Elgin College

Regionals Division A

Elementary

TBA

State Tournament

4/18/2026

Illinois Individual State Tournament (IIST) Division C

The IIST is for Division C students who earned a medal at their Regional Tournament but whose team did not earn a bid to state. Shortly after each Regional Tournament, the coaches whose teams did not earn a bid to state will receive an email if they had any students who earned a Regional Medal. This email will outline the IIST and inform the coaches in which events their team may enter students.

4/25/2026
Liebman Institute for Science Innovation
at McHenry County College

2025-2026 Events & Conflict Blocks

Division B

Life, Personal, & Social Science
Anatomy & Physiology
Disease Detectives
Entomology
Heredity
Water Quality
Earth & Space Science
Dynamic Planet
Meteorology
Remote Sensing
Rocks and Minerals
Solar System
Physical Science & Chemistry
Circuit Lab
Crime Busters
Hovercraft
Machines
Potions and Poisons
Technology & Engineering
Boomilever
Helicopter
Mission Possible
Scrambler
Inquiry & Nature of Science
Codebusters
Experimental Design
Metric Mastery
Write It Do It

Division B Conflict Blocks

A - Block
Codebusters
Disease Detectives
Remote Sensing
B - Block
Entomology
Machines
Meteorology
Metric Mastery
C - Block
Circuit Lab
Dynamic Planet
Water Quality
D - Block
Experimental Design
Heredity
Potions & Poisons
Rocks & Minerals
E - Block
Anatomy & Physiology
Crime Busters
Solar System
Write It Do It
Self-Schedule
Boomilever
Helicopter
Hovercraft
Mission Possible
Scrambler

Division C

Life, Personal, & Social Science
Anatomy & Physiology
Designer Genes
Disease Detectives
Entomology
Water Quality
Earth and Space Science
Astronomy
Dynamic Planet
Remote Sensing
Rocks and Minerals
Physical Science & Chemistry
Chemistry Lab
Circuit Lab
Forensics
Hovercraft
Machines
Materials Science
Technology & Engineering
Boomilever
Electric Vehicle
Helicopter
Robot Tour
Inquiry & Nature of Science
Bungee Drop
Codebusters
Engineering CAD
Experimental Design

Division C Conflict Blocks

A - Block
Anatomy & Physiology
Engineering CAD
Forensics
Machines
B - Block
Codebusters
Disease Detecives
Remote Sensing
C - Block
Astronomy
Chemistry Lab
Entomology
Experimental Design
D - Block
Circuit Lab
Dynamic Planet
Water Quality
E - Block
Designer Genes
Materials Science
Rocks and Minerals
Self-Schedule
Boomilever
Bungee Drop
Electric Vehicle
Helicopter
Hovercraft
Robot Tour

CTE Perkins V Funds for Your Team

Did you know? Illinois is the first state in the nation to approve Science Olympiad as a Career and Technical Student Organization (CTSO), joining the ranks of other well-known skill development organizations, and making some team expenses eligible for Perkins V Federal funding. Perkins V provides funding to middle schools, high schools, and community colleges that have established Career and Technical Education (CTE) programs.

School may use their Perkins funds to pay for Science Olympiad registration, supplies, and any other related expenses. 

If you have questions about using Illinois Science Olympiad Perkins Grant funds contact Michele Chapman-Simmons at michele.chapman@illinoisolympiad.org