I ragazzi di Charleston - South Of Broad, by Pat Conroy (2009, USA)

Charleston, half of XXth century; Leo is the teenage son of her school principal. His brother made suicide and he had got various troubles after that, but he's stronger than we can expect and he saves his own life and his new friends' ones: Sheba and Trevor, Starla and Niles, Ike and Betty, Molly, Fraser and Chad.. As they're adult, their friendship's still strong, but Trevor's in trouble. Various dramas are waiting for all of them, but they get through them, although not uninjured.
Conroy's clever style doesn't disappoint: he can be ironical although talking over dramatic events. Deeply introspective.