Send your teens back to school prepared. Subscribe them to San Mateo County’s free public notification system, SMC Alert: In the event of an emergency, your teen will receive notifications from public safety agencies such as police and fire about local emergencies or public events that are happening in their community via text messages, emails, or voicemails. Be smart about safety this school year -- sign up for SMC Alert, serving all cities and towns in San Mateo County! Visit for more information. This message is from the San Mateo County Sheriff's Office of Emergency Services, which coordinates countywide preparedness, response and protection services and activities for large-scale incidents and disasters: