PERSISTEM envisions a world where every student, regardless of background or financial constraints, accesses top-notch STEM (Science, Technology, Engineering, and Mathematics) practice resources. Our goal is to democratize STEM education by offering high-quality materials for skill enhancement and knowledge enrichment without economic barriers. We are dedicated to promoting and advancing STEM education, inspiring students to excel in STEM fields and prestigious Olympiads. Through free practice questions, we bridge educational gaps, foster interest in STEM subjects, and nurture future innovators and problem-solvers. Additionally, while we provide practice materials free of charge , donations sustain our mission to expand accessibility, support students in their STEM journey, and cultivate a culture of excellence in STEM education, ensuring every aspiring learner benefits from our resources. Join PERSISTEM in our endeavor to empower the next generation of STEM leaders!