EduScale is a serverless Learning Management System handling course delivery, quizzes, grading, and video lectures for universities. Built on Firebase (Auth, Firestore, Storage) + Cloud Functions. Scales automatically during exams: 50K concurrent users → no manual intervention. Video lectures stored in Cloud Storage → streamed via signed URLs. Usage-based billing: pays only for active students. BigQuery analyzes engagement → flags at-risk students. Admins use Looker dashboards. No servers to patch or scale.