The theft follows two recent incidents of vandalism at the school in which windows were broken but nothing was stolen, according to the sheriff's report.

Jennie Snyder, superintendent of Piner-Olivet Union School District, confirmed there had been other incidents of vandalism at the school, but would not discuss when or where they occurred, nor what was damaged. She said she did not want to speculate whether they were related.

Deputies are now investigating the thefts and vandalism, but they are beginning with scarce information, Pedersen said. No video surveillance was captured and the area that was vandalized was not visible from the street, he said. The iPads did not have tracking software.

Snyder would not comment on what, if any, surveillance existed at the school before the break-in, saying only that the school has "put security in place."

School officials have reached out to students and their families to explain what happened, Snyder said.

"It's a very caring community, and teachers are helping kids to get back on track," she added.

Students returned to school on Monday. On Tuesday, the campus reverberated with the sound of electronic tools buzzing and hammers pounding as workers repaired the broken windows.

<em>Staff Writer Elizabeth M. Cosin contributed to this story.</em>