This study explores the integration of achievement motivation within curriculum design as a pathway to promote sustainable and holistic development among learners. Contemporary education increasingly emphasizes not only academic excellence but also the development of well-rounded individuals capable of addressing complex global challenges. Achievement motivation, rooted in psychological theories of human behaviour, plays a critical role in shaping learners’ persistence, goal orientation, and performance outcomes. This study adopts a conceptual approach to examine how motivational principles can be systematically embedded into curriculum frameworks to enhance cognitive, emotional, social, and ethical dimensions of development.The paper analyzes key components of curriculum design, including learning objectives, instructional strategies, assessment practices, and learning environments, in relation to fostering intrinsic motivation and long-term engagement. It further highlights the relevance of sustainable development goals in education and the need for curricula that nurture responsibility, adaptability, and lifelong learning competencies. The proposed framework emphasizes learner-centered approaches, experiential learning, and value-based education as essential mechanisms for integrating achievement motivation.The study contributes to the field of education by offering a theoretical model that connects motivation with holistic development outcomes. It provides practical implications for educators, curriculum designers, and policymakers aiming to create meaningful and future-oriented educational experiences. Ultimately, integrating achievement motivation into curriculum design is presented as a transformative strategy for cultivating motivated, responsible, and well-rounded individuals prepared for sustainable living.