In the article, it is demonstrated that structured and organized psychological intervention activities contribute to the development of the ability to control stress and have favored the optimization of defense mechanisms and coping strategies in adolescents. Thanks to the psychological intervention program, the subjects in GE obtained higher scores, in constructive defense mechanisms and effective coping strategies, higher scores than those in GC. GE teenagers have their contact, openness, tact, goodwill, and cordiality, the tendency towards psychological closeness in communication. They have become more interested in those around them, trying to be in good relations with others, and they respect the norms and rules more. Adolescents have become more confident in their strength, more balanced, more controlled, more patient, optimistic, and energetic, they act quickly and efficiently, tenaciously pursuing their goals. They have a relaxed demeanor, they are active within the norm, they tend to set the tone and impose themselves in a controlled manner, to appear in a more favorable light, and they show tendencies to conceal small weaknesses.