Dataset: ESD-Integrated Digital Teaching Materials for Coastal Ecology — Geographic Literacy Study (Ikhsan et al., 2026)

Dataset supporting the findings of "Development of Digital Teaching Materials on Coastal Ecology Based on ESD to Enhance Geographic Literacy Among Senior High School Students in Coastal Areas." Includes summary statistics, expert validity ratings, ANCOVA results, and anonymized participant data template. Study design: quasi-experimental (n=148), West Java, Indonesia.