This study gives priority to investigating the metacognitive awareness levels of prospective English as a Foreign Language (EFL) teachers and the effects of it on prospective teachers' Teaching English to Young Learners achievement which includes and also reflects their micro-teaching process occurring during this course. For this purpose, the participants of the study consist of the 3rd and 4th grade students studying at Amasya University, Faculty of Education, English Language Teaching (ELT) Programme throughout 2018-2019 academic year. 52-item Metacognitive Awareness Inventory (MAI) (Schraw & Dennison, 1994) was used as the data collection instrument, and its relation with the teaching skills of micro-teaching in Teaching English to Young Learners course process was analyzed. As to the methodology, quantitative research approaches were applied to the collected data. Based on the findings, it was observed that the prospective teachers, who are the teachers of future and expected to open the gate for learners to perceive the information profoundly, have these pre-condition skills at different levels. Therefore, it could be stated that the English Teacher Education process of faculties needs to be explored deeply by taking into consideration the fact that homogeneity in the qualities/characteristics of English language teachers is an urgent call to provide equal chances for the learners.