The research aims to identify the characteristics of lexical competence development in schoolchildren using elements of gamification within the framework of foreign language learning. The article examines the effectiveness of applying gamification technology to enhance the level of lexical competence formation in secondary school pupils during English language learning. The novelty of the research lies in the fact that the authors have studied modern and innovative ways to develop English lexical competence in schoolchildren using gamification technology in foreign language classes, as well as elaborated a model for developing lexical competence in English classes in secondary school through elements of gamification. The main results of this research are as follows: the methodological potential of gamification in foreign language learning was identified; a set of tasks using elements of gamification was proposed for teaching English vocabulary in school; English vocabulary learning was modeled through the sequential integration of modern game technologies into the educational process.