The Secondary Schools Division of the Ministry of Education and Training is mandated to oversee the effective governance, administration, and performance of government secondary schools across the Kingdom of Tonga, specifically:
   *   Tonga High School
   *   Tonga College ‘Atele
   *   Vava‘u High School
   *   ‘Eua High School
   *   Ha‘apai High School
   *   Niuatoputapu District High School
   *   Niuafo‘ou District High School
The Division ensures that these schools, serving students from Form 3 to Form 7 (ages 14 to 18), operate in alignment with national education policies and uphold high standards of school management.
Key responsibilities include:
   *   Supporting effective school leadership and administrative systems;
   *   Monitoring school performance and compliance with national standards;
   *   Coordinating resource allocation and infrastructure needs;
   *   Facilitating professional development for school leaders and teachers;
   *   Promoting partnerships with communities and stakeholders to support student success.
Through its work, the Division contributes to the Ministry’s goal of delivering equitable, high-quality secondary education and preparing Tongan youth for further education, employment, and responsible citizenship.