Lucknow, 17 July : Prathith V. Upadhyaya, a talented Class V student of City Montessori School, Gomti Nagar Campus I has made his school and country proud by securing first rank in the world with marks in 100th percentile in Mathematics, Science and English in International Benchmark Test (IBT) conducted by the Australian Council for Educational Research (ACER). He has been awarded a 'Certificate of Honour' for this outstanding achievement. CMS Manager, Prof. Geeta Gandhi Kingdon, has congratulated Prathith on his outstanding achievement and wished him success in his future endeavours. She also expressed her gratitude towards the teachers of the school.