ยง 906. Existence  of  communicable  diseases; return after illness. 1.
  Whenever, upon investigation and evaluation by the  director  of  school
  health  services  or other health professionals acting upon direction or
  referral of such director for care  and  treatment,  a  student  in  the
  public  schools shows symptoms of any communicable or infectious disease
  reportable under the public health law that imposes a  significant  risk
  of  infection  of others in the school, he or she shall be excluded from
  the school and sent home immediately, in a safe and  proper  conveyance.
  The  director of school health services shall immediately notify a local
  public health agency of any disease reportable under the  public  health
  law.
2.  Following absence on account of illness or from unknown cause, the
  director of school health services may examine each student returning to
  a school without a certificate from a local  public  health  officer,  a
  duly licensed physician, physician assistant, or nurse practitioner.
3.   The   director   of  school  health  services,  or  other  health
  professionals acting upon direction or referral of  such  director,  may
  make such evaluations of teachers and any other school employees, school
  buildings  and premises as, in their discretion, they may deem necessary
  to protect the health of the students and staff.
Structure New York Laws
Article 19 - Medical and Health Service
901 - School Health Services to Be Provided.
902 - Employment of Health Professionals.
902-A - Treatment of Students Diagnosed With Diabetes by School Personnel.
902-B - Treatment by Licensed School Personnel of Students Diagnosed With Allergies.
903 - Students to Furnish Health Certificates; and Dental Health Certificates.
904 - Examinations by Health Appraisal.
905 - Record of Screening Examinations for Vision, Hearing and Scoliosis.
906 - Existence of Communicable Diseases; Return After Illness.
908 - Prohibition Against Meal Shaming.
909 - School Hygiene Districts.
910 - Choice of Method of Treatment.
912 - Health and Welfare Services to All Children.
912-A - Urine Analysis; Drug Detection.
912-B - Speech and Language Improvement Services.
913 - Medical Examinations of Teachers and Other Employees.
914 - Immunization of Children.
915 - Prohibiting the Sale of Certain Sweetened Foods.
916 - Pupils With Asthma or Another Respiratory Disease Requiring Rescue Inhaler Treatment.
916-A - Pupils With Allergies.
917 - On-Site Cardiac Automated External Defibrillator.
918 - School District Nutrition Advisory Committees.
920 - Public Schools; Infestation of Bedbugs (Cimex Lectularius).
921 - Training of Unlicensed School Personnel to Administer Certain Medications.
921-A - On-Site Epinephrine Auto-Injector.
922 - Opiod Overdose Prevention.