"...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..."

Source:
http://jweekly.com/2023/09/08/sacramento-area-schools-see-rash-of-antisemitic-displays/