Langgal National High School - Sewod National High School Annex is a public high school located in Barangay Sewod, Sen. Ninoy Aquino Sultan Kudarat. Our school is committed to providing quality education to our students, preparing them for success in their future endeavors. With a dedicated team of educators and staff, we strive to create a safe and dynamic learning environment where students can thrive academically, socially, and emotionally. We offer a comprehensive curriculum that focuses on developing critical thinking skills, fostering creativity, and promoting lifelong learning. At Langgal National High School - Sewod National High School Annex, we are dedicated to empowering our students to reach their full potential and become responsible citizens of the community.