ยง 1709-a. Powers   of   boards   of  education  to  ban  fraternities,
  sororities and other secret societies.  1. In its discretion, the  board
  of education of each school district, may adopt rules and regulations to
  abolish and/or prohibit any fraternity, sorority or other secret society
  in any secondary school under its jurisdiction.
1  (a)  Prior to the adoption and promulgation of a rule or regulation
  in accordance with the provisions of subdivision one of this section  by
  any  board  of education of a school district, the board of education of
  the school district must find that the fraternity,  sorority  or  secret
  society  group  has  by  virtue  of  its  activities caused or created a
  disruption of  or  interference  with  the  academic  processes  of  any
  secondary  school  within  its  jurisdiction  or  caused  or created any
  interference  with  or  disruption  of  the  academic  progress  of  any
  individual  student  or  students  in  any  secondary  school within its
  jurisdiction.
2. For the purposes of this chapter a fraternity, sorority  or  secret
  society shall mean any organization composed wholly or in part of pupils
  enrolled in public secondary schools which exists or seeks to perpetuate
  itself  by taking in additional members from the pupils enrolled in such
  schools on the decision of the membership  rather  than  upon  the  free
  choice of any pupil in such school but shall not be construed to include
  organizations  institutionally  sponsored by agencies of public welfare,
  the Boy Scouts of America, the Girl  Scouts  of  America,  the  Campfire
  Girls,  Young  Men's  Christian  Association,  Young  Women's  Christian
  Association,  Young  Men's  Hebrew  Association,  Young  Women's  Hebrew
  Association, Catholic Youth Organization, Kiwanis International, Hi-Y or
  other similar organizations without limitation to the foregoing.
3.  Upon  and  after  the  adoption  and  promulgation  of  a  rule or
  regulation in accordance with the provisions of subdivision one of  this
  section  by  the  board  of  education of any such school district, such
  board of education may in any secondary school under  it's  jurisdiction
  discipline any pupil who shall promise to join, or shall become a member
  of,  or shall remain a member of, or shall solicit other persons to join
  any such fraternity, sorority or secret society.
Structure New York Laws
Title 2 - School District Organization
Article 35 - Union Free School Districts
1701 - Boards of Education Corporate Bodies.
1702 - Board of Education; Election; Terms of Office.
1703 - Change in Number of Members of Board of Education.
1704 - Length of School Year, and Expenditure of Funds.
1705 - Annexing Territory to a Union Free School District.
1706 - Power of Removal of Member of Board of Education.
1707 - Annual Organizational Meetings of Boards of Education.
1708 - Regular Meetings; Visitation of Schools.
1709 - Powers and Duties of Boards of Education.
1709-A - Powers of Boards of Education to Ban Fraternities, Sororities and Other Secret Societies.
1710 - Boards of Education Have Powers of Trustees of Common Schools and Trustees of Academies.
1711 - Appointment of Superintendent of Schools.
1712 - Kindergartens; Nursery and Night Schools.
1713 - Academy May Be Adopted as Academic Department.
1714 - Contracts With Academies.
1715 - Retransfer of Academy to Its Former Trustees.
1716 - Estimated Expenses for Ensuing Year.
1717 - Corporate Authorities Must Raise Tax Certified by Board of Education.
1718 - Limitation Upon Expenditures.
1719 - Deposit, Custody and Payment of Moneys in Villages.
1720 - Moneys and Accounts in Union Free School Districts.
1722 - Application of Article.
1723-A - Temporary Investment of School Moneys.
1724 - Form and Audit of Claims.
1725 - Lease of Personal Property.
1725-A - Powers of Boards of Education; Instructional Equipment.