Mark Day School
39 Trellis Drive
San Rafael, CA 94903

COVID-19 Information

Mark Day School is committed to keeping our students, families, and employees safe. Please see below for relevant information about school protocols, vaccination information, and more.

General Health Protocols

  • All parents/guardians must check in with students' well-being before sending them to school. Students MUST NOT come to school with any symptoms, even minor ones.
  • Masks indoors on campus are only required following exposure and within 10 days of a COVID-positive diagnosis.

Student illness

  • If your student has any of the following symptoms, they must go or stay home, regardless of vaccination status:
    • Cough
    • Shortness of breath
    • Loss of smell or taste
    • Fever of 100.4 or more or chills
    • Body ache
    • Fatigue
    • Headache
    • Congestion/runny nose
    • Sore throat
    • Diarrhea
    • Vomiting/nausea
  • Contact Public Health Liaisons Mary and Sophie and let them know about your student's symptoms
  • Symptomatic students must take a COVID test or seek an alternative diagnosis from a healthcare provider before returning to school; they must receive explicit clearance from Mary and Sophie.
  • Students may return to campus if:
    • They have a negative COVID test result that has been reported to Primary.Health OR
    • They have an alternative diagnosis from a healthcare provider AND
    • Their symptoms have improved significantly AND
    • They have been fever-free for more than 24 hours without fever-reducing medication
  • Though students do not need to be 100% symptom-free to return to campus, students must be able to breathe well through their masks and be free of symptoms that may cause concern for others (i.e. incessant coughing, blowing nose, etc.).

Household exposure

  • If someone in your child's household tests positive for COVID-19:
    • Your child may continue to come to school if your child:
      • Is asymptomatic
      • Tests on day 5 from the last day of exposure; test must be conducted at home and reported to Primary.Health
      • Monitors for symptoms for 14 days and test immediately if any symptoms arise
      • If symptoms arise and the student tests negative, the student must stay home for 3 days and can retest again 3 days from onset of symptoms
      • Wears a mask for 10 days following the last date of exposure
    • Notify Mary and Sophie

Travel Protocols

  • Unvaccinated students traveling outside of California (by any means) must adhere to a modified quarantine. They can come to school if they:
    • Contact Public Health Liaisons Mary Contreras and Sophie Shulman
    • Take a COVID test at home 5 days after returning from out-of-state (day 1 begins the day after you return) and submit results to Primary.Health
  • Fully vaccinated students traveling out-of-state must also take a COVID test at home 5 days after returning; please submit results to Primary.Health

How to Report At-Home Tests to Primary.Health

  • Please report ALL kinds of at-home tests to Primary.Health every time your student takes one.
  • Step 1: Log in to the Community Portal
  • Step 2: Click on your child's name in the yellow bar (or drop-down menu if you have multiple children)
  • Step 3: Click on "Contact Card"
  • Step 4: In the "Digital" section, click on the personal website link; your child's access code will be pre-filled in

How to Find a COVID Test

Campus Visitors

  • All visitors working directly with children must be fully vaccinated and show proof
  • Visitors who will be in contact with only adults do not have to show proof of vaccination


Public Health Liaisons:

Mary Contreras, School Nurse
Sophie Shulman, Director of Communications