Which sentence uses semicolons correctly?

Question

Teenagers often attend school, have jobs, and participate in after-school activities; such as sports, theater, and band.

Teenagers often attend school; have jobs; and participate in after-school activities, such as sports, theater, and band.

Teenagers often attend school; have jobs; and participate in after-school activities; such as sports, theater, and band.

Answer 1

The correct sentence is:

Teenagers often attend school; have jobs; and participate in after-school activities, such as sports, theater, and band.