PCSSPennsylvania Council for the Social Studies
PCSSPhotoconductive Semiconductor Switch
PCSSPorter Creek Secondary School
PCSSPolymer Cement Slurry Surfacing (road surfacing)
PCSSProcess Control Simulation System
PCSSProcess Control Safety System
PCSSPercentage-Closer Soft Shadow (computer graphics)
PCSSPlatform Check Sub-System
PCSSProgrammed Communications Support System
PCSSPiecewise Constant Speed Schedule
PCSSPersonal Computer Support Service
PCSSPatient Classification and Staffing System (automated patient management; trademark of QTA, Inc.)
PCSSPayment, Clearing and Settlement System (Canada)
PCSSProcurement Contract Summary Sheet (Asian Development Bank)
PCSSPalliative Care and Support Services (Palo Alto Medical Foundation; Santa Cruz, CA)
PCSSPrince Charles Secondary School (Canada)
PCSSPrimary Care Support Service (National Health Service; UK)