In 2013, the entire school replaced traditional desks and chairs with standing desks, and the school’s “activity-permissive” ethos allows pupils to stand upright, perch on stools, sit on the floor, and otherwise move around as they wish. Though some were hesitant about the change, Zink and the other teachers at Vallecito now say it’s been a resounding success; students are more alert, more attentive, and more engaged. “I taught at sitting desks for 30 years,” says Zink, “and I’ll never go back.” Tracy Smith, the principal at Vallecito during the switch to standing desks, agrees that students
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