Section 1131. School officers not to be interested in contracts; removal

The board of education shall have the power to remove  from  office  any
  school  officer who shall have been directly or indirectly interested in
  the furnishing of any supplies or materials, or in the doing of any work
  or labor, or in the sale or leasing  of  any  real  estate,  or  in  any
  proposal,  agreement  or contract for any of these purposes, in any case
  in which the price or consideration is to be paid, in whole or in  part,
  directly  or  indirectly,  out  of  any school moneys, or who shall have
  received from any source whatever  any  commission  or  compensation  in
  connection with any of the matters aforesaid; and any school officer who
  shall  violate  the preceding provisions of this section shall be deemed
  guilty of a misdemeanor, and shall  also  forfeit  such  office  and  be
  ineligible  to  any office or employment under the board of education or
  under the city or any agency. The provisions of this section  shall  not
  apply  to  authors  of  school  books  used in any of the public schools
  because of any interest they may have as authors in such books.