A movie about 2 teachers. A history teacher and a science teacher...the history teacher brings in a new way?

of teaching..He becomes very popular. The science teacher hates him. He suffers from some ailment and does not have much time to live and science teacher eventually learns to appreciate him and his ways. Need the name of the movie..A movie about 2 teachers. A history teacher and a science teacher...the history teacher brings in a new way?
I'm pretty sure you're talking about "School of Life" (2005) starring Ryan Reynolds and David Paymer.

dermatologist