ยง 2109.  Refusal of trustee to serve.  A trustee of a common school or
  union free school district who publicly declares that he will not accept
  or  serve  in  the  office  of trustee, or refuses or neglects to attend
  three successive meetings of the board, of which he  is  duly  notified,
  without rendering a good and valid excuse therefor to the other trustees
  vacates his office by refusal to serve.
Structure New York Laws
Title 2 - School District Organization
Article 43 - School District Officers--Town and County Officials
2102 - Qualifications of Officers.
2102-A - Required Training for School District Officers.
2103 - Ineligibility to Office.
2103-A - Police Officers and Firefighters on Boards of Education.
2106 - Terms of Officers of Newly Created District.
2108 - Notice and Acceptance of Election.
2109 - Refusal of Trustee to Serve.
2110 - Penalty for Refusal to Serve or Perform Duty.
2111 - Resignation of District Officers.
2113 - Filling Vacancy in Office of Trustee.
2114 - Filling Vacancy in Office of Clerk, Collector or Treasurer.
2115 - Notice of Appointment to Fill Vacancy and Filing Thereof.
2116 - District Records, Books, etc., Are District Property.
2116-A - Books and Records to Be Kept by School Districts.
2116-B - Internal Audit Function.
2118 - Expenses of School District Officers.
2119 - School District Trustee Not to Draw Draft on County Treasurer in Certain Cases.