Class’s or Class’?

Class’s is the standard singular possessive form you should use if you are following the Chicago Manual of Style or the AP stylebook. For example, “The class’s collaboration on the project was exceptional.” Additionally, class’ is another singular possessive form you should use when the following word begins with ‘s’ “The class’ schedule was organized efficiently.”

As the following chart shows, there are two versions of the singular possessive for the term class. The first is created by adding an apostrophe to the end of the word “class”. The second form requires adding an apostrophe and an “s.”

Form	Example
Singular	Class
Plural	Classes
Singular possessive	Class’s / Class’
Plural possessive	Classes’

Here are some examples of the different forms in context.

Singular: I attended a seminar with the class and their professor.

Plural: The classes’ enthusiasm for learning is commendable.

Singular possessive: The class’ discussion was thought-provoking.

Singular possessive: The class’ study materials were comprehensive

The Chicago Manual of Style and the AP stylebook specify that you should use class’s. This rule dictates adding ’s (apostrophe + s) to a singular noun that ends in -s.

Furthermore, the plural form of class, classes, is more likely to appear when referring to multiple groups of students, as shown in the plural example.

This example shows how the plural possessive form of class appears in a sentence.

The classes’ presentations were diverse and engaging.

You’ve covered the basics regarding the term class. Now, continue reading the rest of the page, where we explain more about each form and how to use them.

Class’s

The term “class’s” is the standard singular possessive form of class. You should use it to indicate that something belongs to a specific class.

The class’s collaboration on the project was highly effective.

Furthermore, it is the version you must use according to the Chicago Manual of Style and the AP stylebook.

You may omit the “s” at the end of class’s if the following word starts with “s.” This is also acceptable by many styling guides. If you choose to do this, ensure consistency throughout the text.

The professor praised the class’ scientific approach.

You can use the possessive to refer to various aspects of a class’s activities or achievements.

The class’s participation in extracurricular events was outstanding.

Class’

The term class’ is also another singular possessive form of the word class. Therefore, you should use it when you want to convey that something belongs to a particular class.

But many styling guides recommend using this form only when the following word begins with ‘s’