USCSS offers five (5) Levels of Classes. Affiliates/Trial Hosts may choose to offer single or multilevel trials.
|Novice A||Open to inexperienced competitors, the competitor and not the dog, who have never titled in Scent Work.|
|Novice B||Open to experienced competitors, the competitor and not the dog, who have earned a NW1, DDN equivalent or higher in Scent Work.|
|Intermediate||Open to competitors who completed the Novice A or B requirements.|
|Advanced||Competitors must have completed either Intermediate requirements.|
|Senior||Competitors must have completed the Advanced requirements.|
|Master||Competitors must have completed the Senior requirements|