Aim: To determine the differences in the non-conversational discourse among the students of 1st half belonging to educational establishments municipal, subsidized and private. Materials and method: Study of cross section. The study populations were students of 1st half, belonging to three educational establishments in the city of Temuco, Chile. Sampling non-probability, disposed of 48 teenagers. The variable of study was not conversational speech. The analysis of the data included statistics descriptive and analytical. Results: In the area of semantic skills, the participants of the municipal establishment obtained an average of 20, 19 +/- 3, 65, subsidized private establishment 20 students, 25 +/- 3, 87 and paid particular establishment 23 students, 13 +/- 4, 0. Regarding the method for evaluating speech averages were 45, 93 +/- 13, 15; 47, 31 +/- 15, 05 and 58, 46 +/- 12, 90 respectively. He was obtained significant statistical difference in the comparative analysis p < 0.005. Conclusions: The discursive management differs significantly among the students who belong to municipal educational establishment and individuals.