SUSAN TRIPP POLLARD/STAFF photos

Celina Marie Gomez, top photo, flashes her diploma cover after walking across the stage during the 2014 graduation ceremony at Pittsburg High School on June 11. Valedictorian Amiel Paz, above, right, addresses the crowd. Seniors are silhouetted against the night sky where the moon can be seen.


Valedictorian Amiel Paz addresses the crowd during the 2014 commencement ceremony at Pittsburg High School in Pittsburg, Calif., Wednesday, June 11, 2014.
Valedictorian Amiel Paz addresses the crowd during the 2014 commencement ceremony at Pittsburg High School in Pittsburg, Calif., Wednesday, June 11, 2014. (Susan Tripp Pollard/Bay Area News Group)


Celina Marie Gomez flashes her diploma cover after walking across the stage during the 2014 commencement ceremony at Pittsburg High School in Pittsburg,
Celina Marie Gomez flashes her diploma cover after walking across the stage during the 2014 commencement ceremony at Pittsburg High School in Pittsburg, Calif., Wednesday, June 11, 2014. (Susan Tripp Pollard/Bay Area News Group)