The purpose of the research is to present the theoretical aspects and practical experience in assessing and monitoring mechanism of personal and cognitive educational outcomes of students of the secondary school by the example of forming (classroom) assessment. The study involved the following research methods: theoretical (study and generalization of innovative pedagogical experience of formation of universal educational actions in secondary school students); empirical (testing, analysis of the results of educational and extra-curricular activities). The article describes the following research results: diagnostic tools for assessing educational outcomes of students of secondary school is developed and experimentally tested. The main part of the study presents the following monitoring structure: learning activities (projective techniques); tests, questionnaires; self-assessment by learners through the implementation of practice-oriented tasks. The article presents the experience of the implementation of psycho-pedagogical methods on the example of projective techniques: working with etymological dictionary, working with maps, working with the literary map, working with metaphors, quotations from literary works. The basis for the development of criteria is a systematic research framework, activity, metasubject approaches. Conclusion: assessment of personal and cognitive educational outcomes of students of the secondary school at the level of internal assessment allows not only to appreciate, but also to form a number of training activities and skills.