* Standardized test scores (SAT/ACT): While test-optional now, strong scores still significantly impact the application.
* Course rigor: Taking challenging courses, particularly in STEM fields and advanced psychology courses, is crucial.
* Letters of recommendation: Strong recommendations from teachers, professors, and mentors who can speak to your abilities and potential.
* Essays/Personal statement: A compelling and well-written essay that showcases your personality, interests, and experiences.
* Extracurricular activities: Demonstrated leadership, commitment, and passion outside of academics.
* Research experience: Any psychology-related research experience, even if it's at the high school level, will significantly boost your application.
While a high GPA is certainly expected and advantageous (generally above a 3.8 or 4.0 unweighted, but even this is not a guarantee), it's just one piece of a much larger puzzle. Focusing solely on GPA to the exclusion of other aspects will likely not lead to admission. Harvard seeks well-rounded students who demonstrate exceptional academic ability and potential *across multiple dimensions*.