To prepare for the Physics GRE and gain admission to top graduate programs like Stanford or Cornell, it's essential to focus on comprehensive study resources. While ETS provides some foundational materials, it lacks sufficient preparation tools for the Physics GRE. Instead, candidates should consider advanced textbooks such as the Feynman Lectures and Griffith's Quantum Mechanics and Electromagnetism. It's crucial to have a strong academic background in physics, as a high PGRE score alone does not guarantee admission. Additionally, international students must also prepare for the TOEFL to demonstrate English proficiency, which is vital for success in graduate studies, including writing dissertations and publishing research. Strong English skills are necessary for effective communication and academic performance in a PhD program.