UPDATE 1/4/21: According to City Council staff, the DOE now says they are further postponing the release of any class size data until "early or mid-January."
UPDATE 10/23/2020: Chalkbeat wrote about this issue here.
See the letter from Karen Goldmark below of DOE responding to the letter from CM Mark Treyger, saying they will not release any class size data until December 31, based on the size of classes on November 13, rather than the legal deadline established by city law of November 15. It also appears from the letter that they do not intend to report any disaggregated data till February 15-- still based on the size of classes as of November 13 (!).
It is very difficult to understand why this should take so long, especially as at the Mayor's press conference on Oct. 26, the Chancellor
said that schools have been reporting attendance data and thus class size in "literally
three buckets of attendance every single day": in-person classes,
remote blended learning classes, and full-time remote classes.