There is no right answer to this as there isn’t a fixed number of classes you can fail in college. It varies based on your institution’s policies, academic program, and degree requirements. Failing multiple classes can jeopardize your GPA, academic standing, and financial aid. You must prioritize learning from setbacks, seek support from professors or advisors, and utilize available resources. Some colleges may have limits on course retakes, affecting your ability to recover from failing grades. Ultimately, consistent academic struggles may lead to probation. Stay proactive, address challenges, and aim for academic success.