Private classes for children between 7 and 12 years old and adolescents between 13 and 17 for the subjects of Natural Sciences, Biology, Chemistry and English. It is about 1 hour per class and they will be able to choose the subject in which they want to deepen, it will be that the learning is the maximum during the time that the class takes through, they will reinforce key concepts and they will receive help at levels of tasks that they have been sent and possible exams.