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Head Lice

Head lice are endemic in San Mateo County which means that they are always present in our community. While head lice require a large amount of effort to treat, it is important to remember that they do not cause disease or harm. Below, we've included documents to help you treat head lice successfully in your home.

California Department of Public Health: Head Lice Information for Parents

(English) (Espanol )

Instructions for Head Lice Treatment



Returning to School After Finding Head Lice:

After you have completed treatment,  call your school office for an appointment. Students may return to school only after being checked-in by the office.

To do before making appointment to return to school:


  • Treat live lice

Children found to have live lice during this check will be sent home for further treatment and may schedule another check for the following school day.