The cohort survival rate at Tubay NHS over the past four school years shows significant fluctuations, with the highest rate at approximately 97.50% in SY 2021-2022 and the lowest at around 75.00% in SY 2023-2024. These variations indicate changes in student retention, which could be influenced by factors such as the quality of education, socio-economic conditions, and the effectiveness of retention strategies. 

The participation rates at Tubay NHS over the past four school years show some variability, with the highest rate at 94.59% in SY 2022-2023 and the lowest at 86.38% in SY 2021-2022. These rates reflect the school's ability to engage students in attending classes. Higher participation rates suggest effective engagement strategies and possibly favorable conditions for students, while lower rates may indicate challenges such as socio-economic issues or external factors affecting attendance. 

The drop-out rates at Tubay NHS have shown an upward trend over the past four school years, with a notable increase from 0% in SY 2021-2022 to over 3% in the subsequent years. This rise indicates potential challenges such as economic difficulties, lack of student engagement, or personal issues affecting students' ability to stay in school.