Agencies across Illinois regularly host open-enrollment and in-service courses. Popular subjects include leadership, tactics, investigations, medical, and instructor development. New classes are added throughout the month by verified providers. Prefer to browse nearby? Visit training by category or view all states.
| Cartel Traps | |
| Aug 31, 2026 (9 hours) Warrenville, IL Details | |
| The Art of Interdiction | |
| Aug 31, 2026 (8 hours) Waterloo, IL Details | |
| Force Science Certification Course | |
| Oct 19-22, 2026 (40 hours) Des Plaines, IL Details | |