Complex sentence: The School Vacation and Before and After School Care programs, operated under the auspices of the Wallsend Community Development Centre (WCDC), until the pilot period ended; after which, YACS conducted an intense evaluation to determine the success of the programs.
Split into simpler sentences: The School Vacation and Before and After School Care programs, operated under the auspices of the Wallsend Community Development Centre (WCDC), until the pilot period ended. When the trial finished, YACS conducted an intense evaluation to determine the success of the programs.