Varsity Tutors. We have recently launched a powerful new academic resource: a comprehensive suite of completely free practice tests, digital flashcards, and questions-of-the-day for standardized tests and academic subjects of all levels: http://www.varsitytutors.com/practice-tests. The platform also includes free web-based classroom assessment software: http://www.varsitytutors.com/classroom-assessment. In addition to serving tens of thousand of practice problems for free, we also offer visitors the option of creating a free account that allows them to save their test results and keep track of progress over time, as well as create their own tests and invite others to use them. Thousands of new practice problems are being added every month.