Purpose/Objectives: School nutrition (SN) assistants/technicians are vital to the operation of successful school nutrition programs. The objective of this study was to update the 2006 Competencies, Knowledge, and Skills (CKS) needed by effective SN assistants/technicians. Changes in SN programs since 2006, including the implementation of Professional Standards for School Nutrition professionals, necessitated the research process and updates to this essential piece of information used by SN professionals. Methods: Research was conducted in three phases with a diverse group of SN directors and supervisors (n= 41) from all seven United States Department of Agriculture (USDA) Food and Nutrition Service regions as follows: Phase I included a literature review, four case study site visits, collection and review of job descriptions, and an expert work group of SN directors (via email) whose members identified functional areas for SN assistants/technicians. Phase II included a face-to-face, expert work group tasked with developing CKS statements for the identified functional areas. Phase III included a review panel who evaluated a CKS draft resource (via email), a face-to-face expert work group who identified content for instructing users on how to best utilize the CKS resource, and a review panel who evaluated a nationwide, web-based survey for training needs. Results: The expert work group recommended six functional areas: Equipment Care & Use, Food Production, Food Safety & Sanitation, Personal Characteristics, USDA Meal Program Requirements, and Workplace & Employee Safety. The expert work group reached a consensus to include 15 competencies and 36 knowledge and skill statements within the functional areas. Applications To Child Nutrition Professionals: The updated CKS resource developed from this project is available on the Institute of Child Nutrition (ICN) website and is useful to SN directors and managers in interviewing, training, mentoring, and evaluating SN assistants/technicians. The customizable tools within the updated CKS resource include a job description template, job interview template, individual mentoring plan form for use by SN managers, and competency-based performance appraisal.