Ben orders daily room service while living in a five-star hotel. Olivia collects luxury brand sneakers worn by celebrities. Dakota jets off to Rome when she needs to avoid drama at school.   Welcome to the inner circle of New York s richest families, where academia is an obsession, wealth does nothing to soothe status anxiety and parents will try just about anything to gain a competitive edge in the college admissions rat race.   When Blythe Grossberg first started as a tutor and learning specialist, she had no idea what awaited her inside the high-end apartments of Fifth Avenue. Children are expected to be as efficient and driven as CEOs, starting their days with 5:00 a.m. squash practice and ending them with late-night tutoring sessions. Meanwhile, their powerful parents will do anything to secure one of the precious few spots at the Ivy Leagues, whatever the cost to them or their kids.   Through stories of the children she tutor