Elementary education is the initial stage of formal compulsory schooling in which children acquire foundational academic competencies and school-based learning habits needed for later educational progression [1][2][3][4]. It typically follows pre-primary education and precedes lower secondary education, with age range and grade span defined by national systems and international classification frameworks [1]. Elementary education is characterized by structured instruction in core domains—especially literacy and numeracy—along with broad early curriculum exposure and development of cognitive, social, and behavioral capacities for sustained learning [1][2][3]. In policy and research contexts, the term denotes this distinct institutional phase of schooling, and its quality is commonly evaluated through foundational learning, progression, and later achievement indicators [2][3][4].