In education, Montessori system of education plays an integral role. A child education is a foundation and the need ought to be given to this foundation. The Montessori system of education is like a foundation of a house as strong building can be built only on strong foundation such as on the basis of Montessori education the whole life of a child depends. This study has been led on 80 teachers of Montessori schools of the Gulshan town Karachi. The fundamental purpose behind this study was to evaluate the impact of Montessori untrained teachers in the Montessori schools and to spread awareness about their consequences and also to analyze the need of the trained teachers and their effectiveness in the grass root level of the education as the future of any country or nation depends upon its young generation. A comprehensive structured questionnaire was used as a tool to collect the data. The collected data was processed and then its analysis was made through chi-square method. The finding suggests that there is an approaching need of teacher training courses and workshops for Montessori untrained teachers and it should be mandatory for them to be trained.