LumiSource is an online academic support platform for students and families preparing for college admissions and standardized exams. Trusted by more than 400,000 students and parents, it brings college planning, essay feedback, and test preparation together in one place. Its admissions tools help students organize college lists and deadlines, build an application roadmap, track supplemental essays, and review drafts with personalized feedback on areas such as structure, specificity, and reflection. Support covers Common App personal statements, University of California responses, school-specific supplements, and other essay types.

For exam preparation, LumiSource offers courses and practice for 22 AP subjects, including biology, chemistry, calculus, history, and psychology. Resources include exam-style questions with explanations, unit-by-unit study guides, and flashcards. Its Digital SAT preparation provides skill-focused practice in Reading and Writing and Math, with progress tracking and score trends. LumiSource also lists ACT and International Baccalaureate preparation as upcoming offerings, with waitlists available. Students can get started for free, including a first college essay review.