In order to establish the prevalence and motivational factors associated with the consumption of alcoholic drinks in students of Manuel María Tejada Roca High School, a sample of 139 students of 8th grade and 167 students of 11th grade was selected for them to answer a survey of 20 Questions and the AUDIT Test. The prevalence of consumption of alcoholic drinks in 8th graders and 11th graders, reaches 27.3 % and 61.7 % respectively, in students with higher consumption in males in both academic grades. The average age of the first consumption in 11th graders was 14.3 years; decreasing to 12.1 years in 8th graders. 56.7% of respondents pointed out being curiosity the main factor that motivated them to consume alcoholic drinks, standing out beers as the favorite ones, with 42.6% of the responses. Preventive programs for the in adolescents´ consumption of alcoholic drinks are urgently needed, since the AUDIT Test indicates just only 55.8% have low risk consumption, meanwhile 37.5% have risky consumption, 3.8% harmful consumption and 2.9% alcohol addiction.  A Significantly higher academic performance was recorded in students who had not consumed alcoholic drinks versus those who had.