Developed foundational data-layer enhancements for the ctc-uci/cch repository by designing and implementing a dedicated SQL schema to support Children Profiles and Success Stories. Focused on database design and SQL, the work involved creating core tables and defining relationships to enable scalable data access, integrity, and analytics readiness. All changes were delivered in a single commit, establishing the groundwork for future feature development and robust profile management. The new schema files, children.sql and success_story.sql, provide structured storage for user and success story data, ensuring the repository is prepared for expanded reporting capabilities and streamlined future enhancements to the data model.