A total of 452 schools are facing closure due to operating illegally. These schools are located in Mumbai and nearby districts. The exact reasons for their illegal status are not specified, but the source reports that they are at risk of being shut down.

Further details about the situation can be found in the Mumbai news section of the Hindustan Times. The source provides more information on the topic, including the context surrounding the potential closures.

For more specific information about the 452 illegal schools, readers can refer to the original report, which offers additional context and details about the situation.