According to the search results, the schools that are closed for Columbus Day vary depending on the location. Here is a summary of the information found:

• New York City: All public schools in New York City are closed for Columbus Day. However, in 2021, New York City public schools removed Columbus Day from its calendar of days off for students and replaced it with "Italian Heritage Day/Indigenous Peoples Day".

• Jersey City: Columbus Day is observed as a holiday and schools are closed.

• Connecticut: Most public and private schools are closed on Columbus Day, but it is recommended to check individual schools or school districts academic calendars.

It is important to note that the information found is specific to the year 2023 and may change in the future.