The most important AP Business with Personal Finance key terms, organized by the College Board’s five units, with clear, scenario-based definitions and a free practice drill for each unit.
Test anxiety is more common than students realize, and it can be managed with the right tools. Here are practical techniques you can use during prep and on test day for the SAT, ACT, AP exams, and other high-stakes tests — from breathing strategies to free-response tactics.
By Brian Stewart, Barron’s SAT, ACT & PSAT Author & Perfect SAT/ACT Scorer AP® English Language and Composition is one of the most widely taken AP exams, and also one of the most misunderstood. Students often walk into the course thinking it will be about grammar rules or literary devices, and it really is not. […]
By Brian Stewart, Barron’s SAT, ACT & PSAT Author & Perfect SAT/ACT Scorer The AP® Biology exam tests how well you understand the way living systems actually work. Memorization alone will not get you there. The course is organized around four Big Ideas (Evolution, Energetics, Information Storage and Transmission, and Systems Interactions) and eight units […]
By Brian Stewart, Barron’s SAT, ACT & PSAT Author & Perfect SAT/ACT Scorer The AP® US History exam is less about memorizing isolated facts and more about understanding major developments across time. The course is organized into nine historical periods from 1491 to the present, and it asks you to connect politics, migration, labor, culture, […]
By Brian Stewart, Barron’s SAT, ACT & PSAT Author & Perfect SAT/ACT Scorer AP® African American Studies is an interdisciplinary course that moves from the societies of early Africa through the transatlantic slave trade, Reconstruction, the Harlem Renaissance, and the Civil Rights and Black Power movements, all the way to twenty-first century debates about Black […]
By Brian Stewart, Barron’s SAT, ACT & PSAT Author & Perfect SAT/ACT Scorer AP® Psychology has one of the more favorable score distributions among AP exams. In 2025, nearly half of all test-takers earned a 4 or a 5, and more than 70% earned a 3 or higher. But favorable isn’t the same as easy. […]
By Brian Stewart, Barron’s SAT, ACT & PSAT Author & Perfect SAT/ACT Scorer Most students preparing for the AP® African American Studies exam focus almost entirely on content, memorizing names, dates, and events across the four units. That’s understandable, but it misses what separates a 3 from a 4 or 5. The 2025 Chief Reader […]
By Brian Stewart, Barron’s SAT, ACT & PSAT Author & Perfect SAT/ACT Scorer Most students who struggle on the AP® Calculus AB exam don’t struggle because they skipped content. They struggle because they prepared for a different test than the one they’re actually taking. The AP® Calculus AB exam is not a computation marathon. It […]
Most students who struggle on AP® Biology don’t have a content problem — they have a study method problem. This post gives you a unit-by-unit study plan built around the six science practices the exam actually rewards, with free practice drills for every unit.