Ocean County fire crews are on the scene of a fire at Pinelands Regional High School in Little Egg Harbor.

NBC 10 Philadelphia is reporting that firefighters rushed to the scene after a fire broke out inside Pinelands Regional High School along Nugentown Road in Little Egg Harbor Township around 5 a.m.

The fire seems to have been contained to one classroom, but much of the school filled with smoke.

The Ocean County emergency dispatchers said the fire spread to two alarms. The situation was placed under control within 20 minutes, and no one was injured.

The fire marshal has been called to the scene to investigate the cause.

It is not immediately clear if the school will be open today.