Flexible online class schedule and private lesson hours Top Rigor is a very rigorous test prep academy delivering strong results with the top performance. We assign challenging homework upon each lesson and test students routinely to assess their progress. Top Rigor holds a high academic promise because we make sure our students thoroughly understand the concepts, the big picture, the applications, the analysis, and the challenging materials in each lesson. We prioritize on eliminating individual weakness areas while strengthening student's ability to apply the basic concepts, analyze higher-level materials, and master the tests. Achieving a high/perfect score on their quizzes/exams as well as the standardized tests, our students outperformed their peers, became the top in their class, and were ranked well above 90th percentile nationwide.Questions?