The various lockdowns due to the severe acute respiratory syndrome coronavirus 2/3 (SARS-CoV-2/3) – 2019 (COVID-19 diseases) from March 2020 to up-to-date 2022, and the recent; ‘Freshwater-Living-Pathogens’, infectious viruses ‘hitchhike’ on latching onto microplastics, missing our helpful guts-microbes, and the outbreak of Monkeypox, etc., and the ’Future Pandemic’, has badly affected a worldwide school education; straightforward teaching, health, nutrition, research, and well-being due to their epidemic potentiality and insufficient countermeasures or vaccines or weakening the ability of vaccines to prevent diseases caused by pathogens. So, in the year of ‘Azadi Ka Amrit Mahotsav’, to overcome it, the main objective is to develop ‘Sustainable Future Green School Ecology’ for sustainable teaching practices during any future pandemic. The survey-based/design study has mainly conducted in the Kanchannagar D. N. Das High School (HS), and the students has identified patterns, trends and problems in lockdowns based on interaction-survey among themselves, teachers, and communities, and mentions some of the solutions deployed to overcome the problem by innovative ideas regarding hybrid learning, health, infrastructure, and biodiversity conservation wildlife for joyful environment with treatment clues against diseases or infectious disease diagnostics, surveillance, vaccine development, and therapeutics, that will enable a to prevent any global pandemic, and take more advantage of modern environment-friendly technologies to continue teaching during any lockdowns for; “Understanding Eco-System for Health and well-being” and “Fostering health, nutrition, and well-being/Technological innovation for ecosystem and health with the steady reopen opening”, and the ‘School will be the mirror of the society by improving ‘Sustainable Future Green School Ecology’ forming the ‘Common-Activity-Based-Eco-friendly-Complex-Ecosystem-Model’ that prevents any future pandemic improving “Biomedicines-Physiology-Health-Technology-Biodiversity-World Policy and Development-Studies”. And it will encourage children to find local-level problems and take initiatives for developing local technological solutions from green technology, appropriate technology, information and communication technology, or improvising traditional biomedicines-physiology technology based on the principles of frugal innovation.