There is the hug that starts with a high-five, then moves into a fist bump, followed by a slap on the back and an embrace.

There’s the shake and lean; the hug from behind; and, the newest addition, the triple — any combination of three girls and boys hugging at once.

“We’re not afraid, we just get in and hug,” said Danny Schneider, a junior at the school, where hallway hugging began shortly after 7 a.m. on a recent morning as students arrived. “The guy friends, we don’t care. You just get right in there and jump in.”