No, you do not have to undergo a specific health check, however some employers may require that you provide a checkup certification, even it's just signing a form saying you are healthy. How serious is your condition?
EDIT: if you plan to work closely with students, I would advise extreme caution in choosing such a career, since hep B is spread via bodily fluids. Sneezing, coughing, watery eyes, etc. are difficult to control, and the virus can remain latent for 75 days on surfaces.