Irineo Santiago National High School of Metro Dadiangas (Main) is a prestigious public high school located in the bustling city of General Santos City, South Cotabato. As an institution committed to providing quality education to the youth, our school offers a comprehensive and well-rounded curriculum that caters to the academic, social, and personal development of our students. With a dedicated team of experienced educators, state-of-the-art facilities, and a conducive learning environment, we strive to empower our students to excel academically and become responsible citizens of society. At Irineo Santiago National High School, we uphold the values of excellence, integrity, and service, preparing our students for a bright and successful future.