Sciences Eco Et Sociales Seconde is a French-language secondary school textbook designed for students in the second year of the French secondary education system. The book covers foundational concepts in economics and social sciences, including market structures, economic indicators, social stratification, and the role of institutions in society. It blends theoretical explanations with practical examples and case studies relevant to contemporary French and global contexts. The text is organized into clear chapters, each ending with review questions and exercises that encourage critical thinking and application of concepts. Illustrations, charts, and real-world data are used throughout to support learning and to help students visualize complex ideas. The book is intended to serve as a primary resource for classroom instruction, providing teachers with structured lesson plans and supplementary materials. Its approachable language and structured layout make it suitable for both self-study and guided classroom use, helping students build a solid foundation in economics and social sciences before progressing to more advanced studies.