’s wealthiest teenagers: the staff of Advantage Testing, whose services cost parents up to $795 an hour. Arun Alagappan, the founder and president of Advantage and a major benefactor of LEDA, provides his employees (whose résumés typically resemble those of the people at Google or McKinsey) pro bono. HOUSE_

's wealthiest teenagers: the staff of Advantage Testing, whose services cost parents up to $795 an hour. Arun Alagappan, the founder and president of Advantage and a major benefactor of LEDA, provides his employees (whose résumés typically resemble those of the people at Google or McKinsey) pro bono. HOUSE_O