What is the name of the teacher in south park?

There are several teachers in the South Park show. The most famous and the one with the most appearances is Mr. Garrison. He is the 3rd grade teacher and brought Mr. Slave to help him as an assistant.

3rd grade have had at least two substitute teachers. First was Miss Ellen who appeared for a single episode, when Mr. Garrison got a David Hasselhof

look, and quit his job teaching.

In season 4, episode 6, the 4th grade get a substitute teacher, because Mr. Garrison got arrested in an previous episode. Mr. Wyland.

In season 4, the main characters of the show moved up to 4th grade where they got a new teacher, Ms. Choksondik.

She was teaching the class teacher until the 6th episode of the 6th season, where she died. Garrison then got hired as 4th grade teacher.