At the direction of their teacher (left background) high school chemistry students place their cell phones on her desk.


At the direction of their teacher (left background) high school chemistry students place their cell phones on her desk before class in San Clemente, CA, in an example of classroom management.


Size: 4368px × 2912px
Location: San Clemente, California USA
Photo credit: © Marmaduke St. John / Alamy / Afripics
License: Licensed
Model Released: No

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