Above, 7-year-olds Abigail Mendoza and Vanessa Rojas, left, both from Oakley, enjoy every bite while eating their cupcakes during the 75th birthday celebration of Oakley Elementary School on May 9. A section of Oakley Elementary School's ukelele club, middle photo, plays and sings "Happy Birthday" during the celebration. The school, which opened in 1939, is the oldest of the district's seven campuses. Below right, parent Renee D'ottavio, of Oakley, passes out cupcakes to the students at the school. DAN ROSENSTRAUCH/staff


A section of the Oakley Elementary School’s ukelele club play and sing Happy Birthday during their 75th birthday celebration of their school in
A section of the Oakley Elementary School's ukelele club play and sing Happy Birthday during their 75th birthday celebration of their school in Oakley, Calif., on Friday, May 9, 2014. (Dan Rosenstrauch/Bay Area News Group)


Parent Renee D’ottavio, of Oakley, passes out cupcakes to the students at Oakley Elementary School during their 75th birthday celebration of their
Parent Renee D'ottavio, of Oakley, passes out cupcakes to the students at Oakley Elementary School during their 75th birthday celebration of their school in Oakley, Calif., on Friday, May 9, 2014. (Dan Rosenstrauch/Bay Area News Group)