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The school system says it was informed tuberculosis is rarely spread in a school setting.

Key points
Tuberculosis (TB) germs spread through the air from one person to another.
TB germs can get into the air when someone with active TB disease coughs, speaks, or sings.
People nearby may breathe in these germs and become infected.
People with inactive TB, also called latent TB infection, cannot spread TB germs to others.
Tuberculosis (TB) is caused by a bacterium (or germ) called Mycobacterium tuberculosis. When a person breathes in TB germs, the germs can settle in the lungs and begin to grow. From there, they can move through the blood to other parts of the body, such as the kidney, spine, and brain.

TB bacteria can live in the body without making you sick. This is called inactive TB, or latent TB infection. People with inactive TB are infected with TB germs, but they do not have active TB disease. They do not feel sick, do not have symptoms of TB disease, and cannot spread TB germs to others.

Without treatment, people with inactive TB can develop active TB disease at any time and become sick.