A West Michigan student has been expelled after officials say she brought a marijuana cookie belonging to her mother to school.

The Muskegon Chronicle reports police investigated after officials at Orchard View Middle School found the cookie in December. Orchard View Schools' Superintendent Pat Walstra says the student's mother had permission to use medical marijuana.

Walstra says the student later was expelled from the Muskegon-area school and "possession of an illegal substance is not permitted on or near school."

Michigan voters in 2008 approved the use of marijuana for medical reasons.

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