Section 522. Reports of the department a

The department of education shall
  on or before the thirtieth  day  of  November  in  each  year  make  and
  transmit  to  the  mayor a report in writing, for the year ending on the
  thirty-first day of July next preceding, stating  the  whole  number  of
  schools  under  its  jurisdiction  during  the  said year; the number of
  teachers; the total number  of  pupils  on  register,  and  the  average
  attendance  at  each  school;  the  number  of high schools and training
  schools for teachers, with the number of teachers and the attendance  of
  pupils  at  each;  the corporate schools or societies from which reports
  have been made to the department of education, the length of  time  such
  schools  have  been  kept open, and the number of teachers and of pupils
  taught in each such school and the total amount of  money  expended  for
  the purposes of public education in the city during the preceding fiscal
  year.  The  department of education shall also make in said reports such
  suggestions and recommendations relative to the public  schools  of  the
  city as it may deem proper.
    b.  Temporary  and non-standard classroom reporting. The department of
  education shall report to the council annually,  on  or  before  October
  fifteenth of each year, the number of non-standard classrooms within the
  public   school   system.  Such  report  shall  provide  the  number  of
  non-standard classrooms, disaggregated  by:  school;  zip  code;  school
  district;  instructional  region;  community district; council district;
  and borough, and for each non-standard classroom, the number of children
  who attend classes in each such non-standard classroom. For purposes  of
  this  section,  the term "non-standard classrooms" shall mean any of the
  following spaces that are  used  for  subject-matter  instruction  where
  students  are  intended to be seated at desks: a transportable classroom
  unit; a classroom located in a structure that was not built or renovated
  with the intention  that  such  structure  be  a  permanent  educational
  facility;  a  classroom  located  in a multi-purpose room, also called a
  cluster  room,  and  not  used  for   the   specialized   instructional,
  administrative  or  other  purposes  for which such room was designed or
  intended; a classroom located in a  space  that  was  not  designed  for
  classroom  use  when built or when last fully renovated; and a classroom
  the use of which violates any New York city or state law  pertaining  to
  classroom design, location or amenity or the type of interior space that
  may lawfully be used as classroom space.
    c.  Class  size  reporting. The department of education shall submit a
  report to the  city  council  twice  annually,  on  or  before  November
  fifteenth  and  February  fifteenth  of  each  year, with respect to the
  following information regarding class sizes  in  New  York  city  public
  schools:
    1. For each school and, separately, for each academic program within a
  school  or  school  building,  including  smaller  schools housed within
  larger institutions and specialized programs, such as those  for  gifted
  students and for students with special needs, the average class size per
  grade of all classes in such school or program;
    2.  For  each  school  district and for each region, the average class
  size per grade of all classes in such district and region;
    3. For each borough, the average class size per grade of  all  classes
  in such borough;
    4. Citywide, the average class size per grade; and
    5.  A  detailed description of the methodologies used to calculate all
  such grade size data reported.
    d. Presentation of class size reporting. Average class size  shall  be
  reported:
    1. By the number of students, rounded to the nearest tenth; and

    2. By core academic subject, in all grades in which such core academic
  subjects  are  taught  in  classes  that vary from such grades' homeroom
  classes.
    e.   Class  size  reporting  exceptions.  The  reporting  required  by
  subdivision c of this section shall:
    1. Exclude classes that are composed of students who are  enrolled  in
  any   school  or  program  that  exclusively  serves  students  who  are
  incarcerated, on probation, or otherwise under the jurisdiction  of  the
  state or federal court system;
    2.   Be  made  by  category  of  class,  such  as  12-to-1  or  5-to-1
  student/teacher ratio, with  respect  to  students  who  attend  classes
  exclusively for children who have individualized education plans; and
    3.  Exclude  classes  taught  at vocational schools and programs, also
  known as career and technical schools and programs, to the  extent  that
  such  classes  within  such  schools  and  programs  do not provide core
  academic content.
    f. Dissemination of information. The reporting required by subdivision
  c of this section shall, in addition  to  being  provided  to  the  city
  council, be placed on the department's website and may be distributed by
  such  other means as the chancellor, in his discretion, determines to be
  a reasonable method of providing such information to the public.