Princes of New York by Robin Lester, a former Headmaster at Trinity School in New York. This is an insightful and thought provoking fiction about intrigue and politics taking place at a top private independent school. You will not be able to put it down once you start reading it.
See his linkedin page https://www.linkedin.com/profile/view?id=AAkAAA4k0XUBBWWsdES_OjzGqTB2T-WxFHABDwU&authType=NAME_SEARCH&authToken=pDsk&locale=en_US&trk=tyah&trkInfo=clickedVertical%3Amynetwork%2CclickedEntityId%3A237293941%2CauthType%3ANAME_SEARCH%2Cidx%3A1-1-1%2CtarId%3A1442346519812%2Ctas%3ARobin%20Lester