Khan Academy has launched a free digital SAT preparation tool to help students master the exam's most difficult verbal questions. The "SAT Reading and Writing Challenge unit" offers advanced exercises for high-achieving students who have finished the platform's core preparation modules. This update comes as families and schools increasingly turn to free digital resources to prepare for the multistage adaptive format of the digital SAT.
What Happened
The newly released SAT Reading and Writing Challenge unit contains six exercises that target the hardest questions on the exam. According to Khan Academy, the unit focuses on four areas: information and ideas, craft and structure, expression of ideas, and standard English conventions. Designed for students who have already finished the core lessons, the tool gives immediate feedback and explanations for missed questions. Educators can assign these practice sets directly to students who need harder work, saving preparation time. This release follows other recent updates from the platform, including its new high school U.S. History resources and collaborative World History course.
The Bigger Picture
Advanced practice tools are important because of how the digital SAT is scored. Under the multistage adaptive testing system, the exam adjusts its difficulty between Module 1 and Module 2. A student's performance on the first module determines whether they receive an easier or harder second module. According to prep experts, reaching the harder Module 2 is the only way to earn the highest potential scores, as the easier module caps the maximum possible score. SAT scoring also factors in question difficulty. Two students with the same number of correct answers can receive different scores depending on the difficulty of the questions they answered.
Research shows that expensive commercial test prep is not required to earn high scores. Data tracked by KidToCollege shows that spending 20 or more hours on Khan Academy's free prep is associated with an average score gain of 115 points, while six to eight hours yields a 90-point gain. No rigorous evidence suggests that paid commercial prep courses, which can cost thousands of dollars, consistently outperform free digital tools.
What This Means for Families
For parents and educators, this new tool removes the financial barrier to advanced test prep. Instead of paying for private tutoring to get difficult practice questions, students can access complex, exam-aligned texts for free. For schools, the platform offers an easy way to support students working at different speeds. In Rhode Island, school districts scaled SAT readiness by embedding Khan Academy into the school day, which led to a nine-point average score increase.
However, these tools connect to real testing in specific ways. While Khan Academy provides targeted practice, it does not host full-length practice tests. Students must take timed practice tests on the College Board's official Bluebook app. The app links back to Khan Academy to identify weak areas. Combining these two free tools provides a complete prep system.
What You Can Do
To get started, students should take a diagnostic test on the College Board's Bluebook app and link their results to Khan Academy for a personalized study plan.
Students should also practice a balanced mix of easy, medium, and hard questions. Getting complacent on Module 1 can prevent them from accessing the high-scoring second module.
Students should spend time reading the detailed explanations for every missed question in the Challenge unit to understand the reasoning required for complex passages.