Which of the following is NOT a class of misdemeanor?

The classification of misdemeanors typically includes various levels, each defined by the severity of the offense and the potential penalties. Misdemeanors are often categorized into classes, such as Class A, B, or C, with Class A being the most serious and Class C being less so.

In Missouri, while assault, trespassing, and disturbing the peace can all be classified as misdemeanors under certain circumstances, theft is usually classified as a felony when the value exceeds a specific amount. Even petty theft or shoplifting, which may be seen as low-level offenses, could still be considered a misdemeanor but often is categorized in such a way that it doesn't fit neatly into the misdemeanor classifications like the others do, especially if other factors are involved. This distinction underlines why theft stands out in this context, as it is more likely to reach felony status compared to the other options.

Thus, theft is identified here as the correct answer because it does not conform to the simpler classification structure associated with the other offenses listed.