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As school opened across the Sacramento area in recent weeks, incidents of antisemitic behavior on campuses have flared up in nearby communities.

There is no indication the incidents are connected.

At the start of the month, a photograph of four students from Delta High School in Clarksburg apparently making “Heil Hitler” salutes circulated on social media. According to the Sacramento Bee, the post was up for almost a day before the River Delta Unified School District was alerted on Sept. 4.

The four students in the photo also donned Hitler-style mustaches and posted the photo online with the caption “this is a joke.” Details of the incident went viral after Michael McWhorter, known as @TizzyEnt on X, said in a post that he’d been contacted by Delta High students who complained that the school wasn’t properly addressing the incident.

Delta High School in Clarksburg CA, Nothing to joke about. pic.twitter.com/zJY0c2Kiwh

— TizzyEnt (@TizzyEnt) September 5, 2023

Clarksburg, a town of fewer than 400 people in Yolo County, is around 15 miles from Sacramento.

River Delta Superintendent Kathy Wright said in a statement sent to J. that a school board member alerted the district about the incident.

“Although we reserve the right to continue to investigate, we believe we have a clear understanding of the details of the actions of a small student group,” she said. “Although we cannot reveal the specific disciplinary actions and consequences assigned, we can assure you it was assigned appropriately and with the utmost seriousness.”

Two other antisemitic incidents recently occurred in the San Juan Unified School District in Carmichael, a suburb of Sacramento.

Kim Zeltvay, principal of Gold River Discovery Center, an elementary and middle school, said in a statement to parents that hate-filled graffiti was found at the school on Aug. 27, CBS News reported.

“We discovered graffiti in several areas of our campus that included racist and antisemitic language and symbols. We are working with the district’s Safe Schools team to investigate and this incident has been reported to law enforcement,” the statement said.

Three days later, a fifth-grade student noticed a swastika at nearby Del Dayo Elementary School, according to TV station KCRA.

“Action, symbols or language that exclude or demean others are not in alignment with our school community’s standards and will not be tolerated,” Principal Juliann Wolney wrote to parents, according to the report.

It’s not the first time that the Sacramento area has witnessed antisemitic acts in recent years. Two years ago, trenches in the shape of a swastika were dug into a golf course in Carmichael. That same year, three incidents of pro-Nazi graffiti were found at the start of the semester at Sacramento State University. This year, white supremacists repeatedly disrupted Sacramento City Council meetings. On at least one occasion, their presence led to a scuffle in the chambers.