Chicago (CBS) — The principal of Downers Grove North High School told students there will be lots of conversations following two incidents of students using racist language.

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“While this has been a painful experience for North High … it is also an opportunity for us to learn and grow,” Principal Janice Schwarze said.

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In one of the incidents, a student was videotaped writing the n-word on a white board. The video was then shared on Facebook.

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The student has since been disciplined.