Kyrychenko, V. and Necherda, V. 2023. FORMATION OF LIFE SUCCESSFULNESS OF SENIOR PUPILS AS A SCIENTIFIC PROBLEM. Theoretical and Methodical Problems of Children and Youth Education. 27, 1 (Oct. 2023), 245-258. DOI:https://doi.org/10.32405/2308-3778-2023-27-1-245-258.