This document provides an overview of secondary education systems in several countries for comparative analysis, including: - The UK and US systems emphasize compulsory education between ages 12-16/18 and assessment through exams. Curricula focus on core academic subjects with some vocational options. - Japanese secondary education is compulsory between ages 6-15, emphasizing discipline, behavior, and health. Curricula include traditional academic subjects and English instruction. - German secondary education has multiple tracks incorporating academic and vocational options with work-based learning. - Indonesian and Malaysian secondary education is free and compulsory, incorporating national languages, religion, and preparing students for employment. - Chinese secondary education is