A FEMALE teacher who allegedly told a 15-year-old male student to treat her like a sex slave has been charged with sexually penetrating a child.

Nazira Rafei, 25, a Melbourne high school teacher, is charged with one count of sexually penetrating a child under 16 and four counts of an indecent act with a child under 16.

Nazira Rafei leaves court. Credit:Andrew Brownbill

The incidents allegedly occurred at Roxburgh Park, in Melbourne's outer north, in February and March this year.

Police also accuse the teacher of making an unwarranted demand by harassing the student last Monday not to disclose the relationship.