Fatal Lessons: The Good Teacher (2004)

Samantha Stephens is a successful illustrator, mother, and wife who seems to have everything. Concerned that her daughter Molly is having trouble in school, Samantha enlists the help of Molly's teacher Victoria in getting her daughter back on track. When Samantha falls mysteriously ill and begins to suspect that Victoria is not whom she claims to be, a series of bizarre revelations lead to a shocking and deadly climax in which only a mother's love can save her family from a terrifying fate.

Fatal Lessons: The Good Teacher is a mystery movie featuring Erika Eleniak.

Fatal Lessons: The Good Teacher is currently streaming for free (ad-supported) on Freevee, Plex, Plex Player, Pluto TV and Tubi TV and it's also available on Amazon Prime Video.

It is also possible to buy Fatal Lessons: The Good Teacher on Amazon Video.