The article reveals the essence of evaluation and control actions in educational speech activity providing conscious regulation of their own statements in order to prevent speech errors their findings, corrections, and compliance their speech to literary norms (phonetic, lexical, grammar, etc.); the step-by-step formation of evaluation and control actions is analyzed in educational speech activity; it is emphasise the importance of systematic development of control and evaluation skills that help to prepare children to school, develop proper and clean speech. Article's purpose. Justification of organizational and pedagogical conditions in formation of evaluation and control actions in educational speech activity of senior preschoolers. Methodology. Analysis and synthesis, systematization and generalization of theoretical and methodological data presented in the scientific literature. Scientific novelty. The article focuses on the formation features of evaluation and control actions of senior preschoolers in educational speech activity, organizational and pedagogical conditions are substantiated in effective flow of these processes in conditions of educational institutions. Conclusions. It is proved that children have potential opportunities for mastering the main components of the teaching and learning activities by the action of evaluation and control. In preschool age children master the correct pronunciation of all sounds accelerates the assimilation of assessment and control actions in the phonetic sphere; it is reflect the positive dynamics of quantitative and qualitative change in speech; improve its grammatical correctness, striving for accuracy the use of grammatical forms, which is particularly manifest in the critical attitudes to speech (one's and other's). The intellectual function of speech is developed that is the basis for the formation of predictive and preventive control actions. Formation in children of conscious attitude to the language, elements of its adequate assessment and control is relevant task that can be solved by the succession of two initial links education – institutions of pre-school education and elementary school.