I am looking for and old movie about a blond gal who is a sharpshooter shoots a judge in the umes role?

she takes on the role of a teacher who deals with unruly children and a sheriff who can`t shoot she later returns to the judge in the end only to shoot him again don`t know the name of the movie nor the lead actress but the movie is quite funny it was aired on tv on a Friday between 1990-94 i have not seen it since