The exams that change careers
Format, cost, official blueprints, and a study path for every exam worth taking — 15 and growing.
Nursing
Medical
USMLE Step 1
The first exam in the US physician licensing sequence, testing whether students can apply foundational science concepts to the practice of medicine. Pass/fail since 2022, it remains a required gateway to clinical rotations and residency.
USMLE (NBME & FSMB) · required to practice
USMLE Step 2 CK
The clinical-knowledge exam in the US physician licensing sequence, testing the application of medical knowledge and patient-centered skills under supervised practice. Its three-digit score is a major factor in residency selection.
USMLE (NBME & FSMB) · required to practice
IT & Cloud
AWS Solutions Architect Associate
The most popular AWS certification, validating the ability to design secure, resilient, and cost-optimized architectures on AWS. A standard credential for cloud engineers, solutions architects, and developers moving into cloud roles.
Amazon Web Services · $150
CompTIA Security+
Program readyThe most widely held entry-level cybersecurity certification, taken by IT professionals moving into security roles. Frequently listed in job postings and accepted for US DoD 8140/8570 baseline requirements.
CompTIA · $392
AWS Cloud Practitioner
Program readyAWS's foundational certification for anyone who needs cloud fluency — sales, finance, project managers, and new technologists. Validates a high-level understanding of AWS services, security, and pricing without requiring hands-on depth.
Amazon Web Services · $100
CompTIA Network+
The vendor-neutral standard for foundational networking skills, taken by help desk technicians, network administrators, and IT generalists to validate they can configure, manage, and troubleshoot networks.
CompTIA · $392
Software
Data Science
Finance
CPA Exam
The licensure exam for Certified Public Accountants in the US — required to sign audit opinions and use the CPA title. Four sections: three Core (AUD, FAR, REG) plus one candidate-chosen Discipline.
AICPA / NASBA · required to practice
Series 7
The qualification exam to register as a General Securities Representative — required to solicit and trade nearly the full range of securities products for customers of a FINRA member firm.
FINRA · $300 · required to practice
Professional
CPA Exam
The licensure exam for Certified Public Accountants in the US — required to sign audit opinions and use the CPA title. Four sections: three Core (AUD, FAR, REG) plus one candidate-chosen Discipline.
AICPA / NASBA · required to practice
CompTIA Security+
Program readyThe most widely held entry-level cybersecurity certification, taken by IT professionals moving into security roles. Frequently listed in job postings and accepted for US DoD 8140/8570 baseline requirements.
CompTIA · $392
PMP
PMI's flagship certification for experienced project managers, widely requested in job postings across industries. Validates ability to lead people, manage process, and tie projects to business outcomes.
PMI · $405
AWS Cloud Practitioner
Program readyAWS's foundational certification for anyone who needs cloud fluency — sales, finance, project managers, and new technologists. Validates a high-level understanding of AWS services, security, and pricing without requiring hands-on depth.
Amazon Web Services · $100
GRE
Program readyThe most widely accepted graduate-school admissions test, used by master's, PhD, and many business and law programs worldwide. Shortened to under two hours in September 2023.
ETS · $220
Trades & Licenses
K-12 & College Prep
Digital SAT
Program readyThe standard college-admissions test taken by US high-school students. Fully digital and section-adaptive since 2024, it scores Reading & Writing and Math on a combined 400–1600 scale used in admissions and scholarship decisions.
College Board · $68
GRE
Program readyThe most widely accepted graduate-school admissions test, used by master's, PhD, and many business and law programs worldwide. Shortened to under two hours in September 2023.
ETS · $220
AP Calculus AB
The College Board's first-semester-college-calculus exam for high-school students. A score of 3+ earns college credit or placement at most US universities, making it a standard accelerator for STEM-bound students.
College Board · $99
Math
Digital SAT
Program readyThe standard college-admissions test taken by US high-school students. Fully digital and section-adaptive since 2024, it scores Reading & Writing and Math on a combined 400–1600 scale used in admissions and scholarship decisions.
College Board · $68
AP Calculus AB
The College Board's first-semester-college-calculus exam for high-school students. A score of 3+ earns college credit or placement at most US universities, making it a standard accelerator for STEM-bound students.
College Board · $99
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