Established in 1975, Tanjay National High School (Opao) is a leading public high school located in Opao, Tanjay City Of Tanjay Negros Oriental. With a mission to provide quality education and holistic development for its students, TNHS boasts a team of dedicated educators and staff who are committed to nurturing the academic, personal, and social growth of each student. The school offers a comprehensive academic curriculum, as well as a variety of extracurricular activities and programs designed to enrich the student experience and prepare them for future success.

Tanjay National High School (Opao) prides itself on fostering a supportive and inclusive learning environment where students are encouraged to explore their interests, develop their talents, and achieve their full potential. With a strong focus on academic excellence, community engagement, and 21st-century skills development, TNHS is an institution dedicated to equipping students with the knowledge, skills, and values they need to become responsible and successful citizens. As a pillar of the local community, Tanjay National High School (Opao) is dedicated to empowering the youth of Tanjay City and beyond to reach for their dreams and make a positive impact on the world.