Jane Howard, left, Charlotte Spritz, and Sarah Gale celebrate after Portland High School’s graduation ceremony at Merrill Auditorium on Tuesday.

Portland High School Vice President Paul Foster gives the keynote speech at graduation.

Sarah Gale has a cigar lit by classmates in celebration after the Portland High School graduation ceremony.

Family and friends cheered from the upper balconies as names were called and diploma recipients crossed the stage.

Left to to right, Sobrina McKeen, Danielle Turner and Ayni Shardi take a selfie prior to the Deering High School graduation at the Cumberland County Civic Center.

Molly Kilbride, left, adjusts Ivanaa Blayne's cap prior to the Deering High School graduation at the Cumberland County Civic Center on Thursday.

Kiernan Cummings takes a selfie with his iPhone before Casco Bay High School's graduation.

Thoalfakar Alsaady takes a selfie with some of his fellow classmates from Deering High School prior to graduation.

Portland High School students, teachers and parents attend a graduation ceremony at City Hall’s Merrill Auditorium.

Deering High School seniors march into the Cumberland County Civic center for graduation .

Girls pose together for photographs prior to the Deering graduation.

Ann Nora Murphy takes a photograph of Ryan Murphy, left and Luke Rogers prior to the Deering High School graduation.

From right to left, Lilly O'Leary, Joe Healy and Jack Milcher lead the group in song while waiting to enter the Casco Bay High School graduation at Merrill Auditorium.

Clementine Nyabirtu and Hamdi Hassan rush out to join friends and family after Portland High School’s graduation ceremony at City Hall’s Merrill Auditorium on Wednesday.