There's no single, universally agreed-upon ranking for schools like Tagore International School, Vasant Vihar. Different ranking organizations use different methodologies and criteria, leading to varying results. You'll find different rankings depending on the source you consult (e.g., EducationWorld, The Week, etc.). These rankings often consider factors like academic performance, infrastructure, extracurricular activities, and teacher quality.
To find a ranking, you should search online using terms like "Tagore International School Vasant Vihar ranking" along with the name of a specific ranking publication if you have one in mind. Keep in mind that any ranking should be considered one data point among many when researching schools. School selection should be based on a holistic assessment of your needs and priorities.