H-Illinois
- An Internet network with the common objective of advancing teaching and research in the arts, humanities, and social sciences, history and culture of peoples of Illinois.
- http://www.h-net.msu.edu/~illinois/

Illinois Humanities Council
- Promoting greater public understanding of and appreciation for the humanities.
- http://www.prairie.org/

Illinois Junior Science and Humanities Symposium (IJSHS)
- Regional competition held annually each spring to promote research and experimentation in the sciences, engineering, and mathematics at the high school level. Features deadlines, participation, sponsors, and archives.
- http://www.science.siu.edu/ijshs/