ITA - Illinois Theatre Association
- Provides support and focus towards theatre involvement in children's theatre, creative drama, community theatre, professional, secondary school, and college and university programs. Includes events calendar, lesson plans, and contacts.
- http://www.iltheassoc.org/

Illinois High School Theatre Festival
- The official site of the world's oldest and largest high school theatre festival, celebrating over 25 years of bringing theatre to the high school students of Illinois.
- http://www.illinoistheatrefest.org