It’s high school graduation season. Last week, there were 23 commencements, but this weekend is the biggest − and final − for high school graduations this year.

See all of our photo galleries and videos from Lower Hudson Valley high school graduations. More will be added as graduations are held.

Attendees at a high school graduation on New York's Long Island were left seeing double when 15 sets of twins walked across the stage to accept their diplomas.

The mayor said about two dozen people were treated for heat-related illness during the ceremony for JFK High School. Four of them were taken to the hospital.

At least 59 people were overcome by heat during a Paterson high school graduation ceremony on the morning of June 23 at Hinchliffe Stadium.

A high school in the suburbs of New York City will be seeing double on graduation day this weekend: Among the nearly 500 students in its graduating class, 30 are twins.

Long Island's Plainview-Old Bethpage John F. Kennedy High School will have 15 pairs of twins graduating this summer.