Senior High School (SHS) refers to the educational stage that typically encompasses the final two years of secondary education, usually for students between the ages of 16 and 18. In many countries, senior high school prepares students for higher education, vocational training, or the workforce by offering specialized academic tracks and extracurricular activities. 

   In Senior High School, "strands" refers to the different academic tracks that allow students to specialize in areas aligned with their interests and career goals as they approach the final years of their education. At Isabela School of Arts and Trades (ISAT), students can choose from a range of strands, including STEM, HUMSS, and TVL. These tracks are carefully designed to prepare students for a variety of career paths, whether in academic, professional, or vocational fields, providing them with the skills and knowledge necessary for success in their chosen disciplines.

Many senior high schools offer different academic tracks, allowing students to choose a path that aligns with their goals and interests. This might include: