A Mill Valley Middle School world languages teacher has been pulled from the classroom and placed on administrative leave after a parent complained about the instructor’s social media activity, prompting a district investigation and rattling some families who say students were left feeling unsafe and emotionally unsettled.
The teacher, identified in coverage as Adel Ben-Chaira, was removed from classroom duties after a parent complaint alleged that the posts “explicitly advocate violence, promote harmful conspiracy theories and target protected groups,” arguing that the content threatened students’ emotional safety, according to the Marin Independent Journal.
District response and investigation
The Mill Valley School District said it opened an investigation on March 2 and framed the situation as a personnel matter. In a memo to staff, the district said it is unable to comment on specifics of any personnel matter or the status of the ongoing investigation, as reported by the Marin Independent Journal. District officials have declined to share additional details while the probe is underway.
Staffing changes at the middle school
Principal Kelly Kriss informed parents that students’ classes would be covered and that the teacher would be replaced, at least for now. Kriss, who joined Mill Valley Middle in 2025, is listed as the school’s principal on the Mill Valley Middle School website.
Regional context
Educators and advocates say the dispute slots into a wider regional pattern of clashes over what teachers post online and how districts respond when complaints roll in. A review of state records by the Mercury News found multiple Bay Area districts had been faulted for mishandling antisemitism-related complaints. Local coverage has also flagged other Marin episodes, including a 2025 incident in which a teacher reportedly told a class there were too many Jews in the district, as documented by J. Weekly…