The main purpose of this study was to examine the effect of life skills education on academic achievement on first high school male student's. The study assess the impact of training problem-solving skills, self-awareness skills and coping with stress skills and the impact of these three methods together on students' academic achievement. Statistical society of the study included all first year high school students. Simple random sampling was done. The type of the study is practical and research method used was a post test type with control group of multiple groups. For this purpose teaching life skills package as well as teacher made and academic achievement tests were used as the research tools. And they were implemented in control group of training in usual and customary manner. To determine the experimental and control groups, 105 first-grade students of secondary school were selected randomly and they were replaced in four experimental groups and one control group. At the end the dependent variable which was the level of academic achievement, was measured. For data analysis, one-way analysis of variance and Turkey pursuit test were used. Based on the results of research it can be said that teaching the problem-solving, self awareness, coping with stress skills separately and these three factors together have an impact on students' academic achievement and there are significant differences between the effectiveness of the experimental groups.