Blog & Resources
Guides for the digital SAT®, ACT and AP® exams — formats, comparisons and prep strategies from the ETT team.
History Repeats Itself: The Rise of Physical AI
Digital AI had its ChatGPT moment — now the revolution is turning physical. What is driving the rise of humanoid robots and AI agents, and what it means for the next generation.
Read more →Best SAT® Practice Tests Comparison (Featuring ETT)
Bluebook, Khan Academy, UWorld or ETT? A data-driven comparison of 2026’s best digital SAT® practice tests — and how to choose the right one for your score goals.
Read more →The Enhanced ACT®, Explained
Shorter test, optional science, a new composite and an online option. Here is what actually changed on the ACT in 2025 — and how to prep for the exam as it is now.
Read more →SAT® vs. ACT
Both exams are accepted by U.S. colleges — but they differ in format, scoring and testing experience. Compare them side by side and choose with confidence.
Read more →What Is the Digital SAT®?
The paper-and-pencil SAT® is gone. Here’s how the digital version works — adaptive testing, shorter sections, new tools — and how to prepare for it.
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