In this study, it is aimed to determine the effect of the layered curriculum activities on students' academic achievement and retention of learning and to determine the students' views regarding the applied program. The research was carried out with random experimental model with pretest-posttest control group. In addition to quantitative data, qualitative data were collected through the interview method and quantitative data were explained and deepened in this way. The study group of the research was composed of 24 students who were studying in 10th grade of the "information technologies" field in a vocational and technical high school in a city center of Turkey in 2014-2015 academic year. The data of the research were collected by the achievement test and semi-structured interview form developed by the researcher. As a result of the research, it was observed that there was a significant difference in favor of the experimental group between the averages obtained from the posttest and permanance test of the students in the experimental group where the activities based on the layered curriculum were applied and the students in the control group where the activities based on the existing program were applied. Students stated generally positive opinions about the layered curriculum process.