In today’s digital-first K–12 learning environments, accessibility is a legal mandate and moral imperative. The Ultimate K-12 WCAG Implementation Roadmap simplifies applying WCAG 2.1/2.2 AA across curricula, platforms, and vendors. Through four actionable pillars—Perceivable, Operable, Understandable, Robust—plus legal guidance and ROI insights, schools can unlock inclusive, effective eLearning for all students.