The FDNY took candidates off the list and sent them straight to EMD without going through the academy. That was used for staffing purposes at EMD. It was also an experiment to see if they can staff civilians at EMD. Emd has to meet a quota of 143 new employees by the start of April, this is why...
There will not be another EMD class. That was just an experiment to see if it works. But that doesn't mean that Aprils class will all be going to the streets. Some still might end up going to EMD upon graduation