This data is reported weekly and will be updated by Tuesday for the previous week. Positive Covid cases are reported to San Mateo County Health, per the county's Pandemic Recovery Framework (PRF). Case notifications are provided to the appropriate cohorts and school communities. No identifying details about individuals reporting cases will be provided to the public. This data is being reported beginning the week of September 28, the week that MPCSD returned students to campus with a county waiver.