This thesis is based on a content analysis of the website Familjeliv.se. The aim of this essay is to examine parents' perceptions of teenagers, as well as to investigate whether there are any differences in the parents' perceptions of girls and boys. The reason this is being examined is to increase teachers' awareness of parents' perceptions of teenagers and thus increase their ability to adress to these in their interactions with parents'. The result showed several perceptions thar parents at Familjeliv.se had about teenagers. These perceptions were; that teenagers are spoiled, they fight a lot and are defiant, they are self-centered and that they are school-fatigue and do not behave the way they are expected in school. The differences that could be discerned in the perceptions of girls and boys were differences in how they are expected to behave, the expectation of housework and performance and behaviour in school. In the final part of the thesis, the result is discussed and conclusions are presented in relation to previous research about the subjekt and the theoretical approach of the thesis, wich is social constructivism and labeling theory. A conclusion that is presented and discussed concerns the negativity that characterizes parents' percpetions of teenagers. Several different thematically presented perceptions were presented in the thesis result, all of which were of a negative nature. In the final part of the thesis, it is discussed whether this conslusion affects the teenagers. According to the theoratical approach, these negative perceptions may result in teenagers acting on these perceptions and expectations that parents of Familjeliv.se have about teenagers.