This document outlines the general guidelines for assessment and rating of learning outcomes under the K to 12 Basic Education Curriculum in the Philippines. It discusses the philosophy, nature, levels, tools, and frequency of assessment. Assessment will be standards-based, formative, and holistic to track student progress in attaining learning outcomes. It will have four levels - knowledge, skills, understanding, and products/performances. Assessment tools include traditional and authentic tools. Student performance will be rated on a proficiency scale and used to determine promotion or retention. Rubrics will provide clear criteria for each assessment level.